Merge branch 'develop'

doc/html/mp11.html

@@ -109,6 +109,7 @@
 <dt><span class="section"><a href="mp11.html#mp11.reference.algorithm.mp_repeat_c_l_n"><code class="computeroutput"><span class="identifier">mp_repeat_c</span><span class="special">&lt;</span><span class="identifier">L</span><span class="special">,</span> <span class="identifier">N</span><span class="special">&gt;</span></code></a></span></dt>
 <dt><span class="section"><a href="mp11.html#mp11.reference.algorithm.mp_repeat_l_n"><code class="computeroutput"><span class="identifier">mp_repeat</span><span class="special">&lt;</span><span class="identifier">L</span><span class="special">,</span> <span class="identifier">N</span><span class="special">&gt;</span></code></a></span></dt>
 <dt><span class="section"><a href="mp11.html#mp11.reference.algorithm.mp_product_f_l"><code class="computeroutput"><span class="identifier">mp_product</span><span class="special">&lt;</span><span class="identifier">F</span><span class="special">,</span> <span class="identifier">L</span><span class="special">...&gt;</span></code></a></span></dt>
+<dt><span class="section"><a href="mp11.html#mp11.reference.algorithm.mp_product_q_q_l"><code class="computeroutput"><span class="identifier">mp_product_q</span><span class="special">&lt;</span><span class="identifier">Q</span><span class="special">,</span> <span class="identifier">L</span><span class="special">...&gt;</span></code></a></span></dt>
 <dt><span class="section"><a href="mp11.html#mp11.reference.algorithm.mp_drop_c_l_n"><code class="computeroutput"><span class="identifier">mp_drop_c</span><span class="special">&lt;</span><span class="identifier">L</span><span class="special">,</span> <span class="identifier">N</span><span class="special">&gt;</span></code></a></span></dt>
 <dt><span class="section"><a href="mp11.html#mp11.reference.algorithm.mp_drop_l_n"><code class="computeroutput"><span class="identifier">mp_drop</span><span class="special">&lt;</span><span class="identifier">L</span><span class="special">,</span> <span class="identifier">N</span><span class="special">&gt;</span></code></a></span></dt>
 <dt><span class="section"><a href="mp11.html#mp11.reference.algorithm.mp_iota_c_n"><code class="computeroutput"><span class="identifier">mp_iota_c</span><span class="special">&lt;</span><span class="identifier">N</span><span class="special">&gt;</span></code></a></span></dt>
@@ -118,6 +119,10 @@
         <span class="identifier">I</span><span class="special">&gt;</span></code></a></span></dt>
 <dt><span class="section"><a href="mp11.html#mp11.reference.algorithm.mp_take_c_l_n"><code class="computeroutput"><span class="identifier">mp_take_c</span><span class="special">&lt;</span><span class="identifier">L</span><span class="special">,</span> <span class="identifier">N</span><span class="special">&gt;</span></code></a></span></dt>
 <dt><span class="section"><a href="mp11.html#mp11.reference.algorithm.mp_take_l_n"><code class="computeroutput"><span class="identifier">mp_take</span><span class="special">&lt;</span><span class="identifier">L</span><span class="special">,</span> <span class="identifier">N</span><span class="special">&gt;</span></code></a></span></dt>
+<dt><span class="section"><a href="mp11.html#mp11.reference.algorithm.mp_insert_c_l_i_t"><code class="computeroutput"><span class="identifier">mp_insert_c</span><span class="special">&lt;</span><span class="identifier">L</span><span class="special">,</span> <span class="identifier">I</span><span class="special">,</span> <span class="identifier">T</span><span class="special">...&gt;</span></code></a></span></dt>
+<dt><span class="section"><a href="mp11.html#mp11.reference.algorithm.mp_insert_l_i_t"><code class="computeroutput"><span class="identifier">mp_insert</span><span class="special">&lt;</span><span class="identifier">L</span><span class="special">,</span> <span class="identifier">I</span><span class="special">,</span> <span class="identifier">T</span><span class="special">...&gt;</span></code></a></span></dt>
+<dt><span class="section"><a href="mp11.html#mp11.reference.algorithm.mp_erase_c_l_i_j"><code class="computeroutput"><span class="identifier">mp_erase_c</span><span class="special">&lt;</span><span class="identifier">L</span><span class="special">,</span> <span class="identifier">I</span><span class="special">,</span> <span class="identifier">J</span><span class="special">&gt;</span></code></a></span></dt>
+<dt><span class="section"><a href="mp11.html#mp11.reference.algorithm.mp_erase_l_i_j"><code class="computeroutput"><span class="identifier">mp_erase</span><span class="special">&lt;</span><span class="identifier">L</span><span class="special">,</span> <span class="identifier">I</span><span class="special">,</span> <span class="identifier">J</span><span class="special">&gt;</span></code></a></span></dt>
 <dt><span class="section"><a href="mp11.html#mp11.reference.algorithm.mp_replace_l_v_w"><code class="computeroutput"><span class="identifier">mp_replace</span><span class="special">&lt;</span><span class="identifier">L</span><span class="special">,</span> <span class="identifier">V</span><span class="special">,</span> <span class="identifier">W</span><span class="special">&gt;</span></code></a></span></dt>
 <dt><span class="section"><a href="mp11.html#mp11.reference.algorithm.mp_replace_if_l_p_w"><code class="computeroutput"><span class="identifier">mp_replace_if</span><span class="special">&lt;</span><span class="identifier">L</span><span class="special">,</span> <span class="identifier">P</span><span class="special">,</span> <span class="identifier">W</span><span class="special">&gt;</span></code></a></span></dt>
 <dt><span class="section"><a href="mp11.html#mp11.reference.algorithm.mp_replace_at_c_l_i_w"><code class="computeroutput"><span class="identifier">mp_replace_at_c</span><span class="special">&lt;</span><span class="identifier">L</span><span class="special">,</span> <span class="identifier">I</span><span class="special">,</span> <span class="identifier">W</span><span class="special">&gt;</span></code></a></span></dt>
@@ -136,6 +141,7 @@
 <dt><span class="section"><a href="mp11.html#mp11.reference.algorithm.mp_all_of_l_p"><code class="computeroutput"><span class="identifier">mp_all_of</span><span class="special">&lt;</span><span class="identifier">L</span><span class="special">,</span> <span class="identifier">P</span><span class="special">&gt;</span></code></a></span></dt>
 <dt><span class="section"><a href="mp11.html#mp11.reference.algorithm.mp_none_of_l_p"><code class="computeroutput"><span class="identifier">mp_none_of</span><span class="special">&lt;</span><span class="identifier">L</span><span class="special">,</span> <span class="identifier">P</span><span class="special">&gt;</span></code></a></span></dt>
 <dt><span class="section"><a href="mp11.html#mp11.reference.algorithm.mp_any_of_l_p"><code class="computeroutput"><span class="identifier">mp_any_of</span><span class="special">&lt;</span><span class="identifier">L</span><span class="special">,</span> <span class="identifier">P</span><span class="special">&gt;</span></code></a></span></dt>
+<dt><span class="section"><a href="mp11.html#mp11.reference.algorithm.mp_for_each_l_f"><code class="computeroutput"><span class="identifier">mp_for_each</span><span class="special">&lt;</span><span class="identifier">L</span><span class="special">&gt;(</span><span class="identifier">f</span><span class="special">)</span></code></a></span></dt>
 </dl></dd>
 <dt><span class="section"><a href="mp11.html#mp11.reference.set">Set Operations, <code class="computeroutput"><span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">mp11</span><span class="special">/</span><span class="identifier">set</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span></code></a></span></dt>
 <dd><dl>
@@ -434,7 +440,7 @@
         just a matter of applying it over the possible combinations of the variant
         values:
       </p>
-<pre class="programlisting"><span class="keyword">using</span> <span class="identifier">R</span> <span class="special">=</span> <span class="identifier">mp_product</span><span class="special">&lt;</span><span class="identifier">Qret</span><span class="special">&lt;</span><span class="identifier">F</span><span class="special">&gt;::</span><span class="keyword">template</span> <span class="identifier">fn</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">remove_reference_t</span><span class="special">&lt;</span><span class="identifier">V</span><span class="special">&gt;...&gt;;</span>
+<pre class="programlisting"><span class="keyword">using</span> <span class="identifier">R</span> <span class="special">=</span> <span class="identifier">mp_product_q</span><span class="special">&lt;</span><span class="identifier">Qret</span><span class="special">&lt;</span><span class="identifier">F</span><span class="special">&gt;,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">remove_reference_t</span><span class="special">&lt;</span><span class="identifier">V</span><span class="special">&gt;...&gt;;</span>
 </pre>
 <p>
         Why does this work? <code class="computeroutput"><span class="identifier">mp_product</span><span class="special">&lt;</span><span class="identifier">F</span><span class="special">,</span>
@@ -442,6 +448,9 @@
         where <code class="computeroutput"><span class="identifier">Ui</span></code> traverse all possible
         combinations of list values. Since in our case all <code class="computeroutput"><span class="identifier">Li</span></code>
         are <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">variant</span></code>, the result will also be <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">variant</span></code>.
+        (<code class="computeroutput"><span class="identifier">mp_product_q</span></code> is the same
+        as <code class="computeroutput"><span class="identifier">mp_product</span></code>, but for quoted
+        metafunctions such as our <code class="computeroutput"><span class="identifier">Qret</span><span class="special">&lt;</span><span class="identifier">F</span><span class="special">&gt;</span></code>.)
       </p>
 <p>
         One more step remains. Suppose that, as above, we're passing two variants
@@ -1121,6 +1130,17 @@
 </div>
 <div class="section">
 <div class="titlepage"><div><div><h4 class="title">
+<a name="mp11.reference.algorithm.mp_product_q_q_l"></a><a class="link" href="mp11.html#mp11.reference.algorithm.mp_product_q_q_l" title="mp_product_q&lt;Q, L...&gt;"><code class="computeroutput"><span class="identifier">mp_product_q</span><span class="special">&lt;</span><span class="identifier">Q</span><span class="special">,</span> <span class="identifier">L</span><span class="special">...&gt;</span></code></a>
+</h4></div></div></div>
+<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">Q</span><span class="special">,</span> <span class="keyword">class</span><span class="special">...</span> <span class="identifier">L</span><span class="special">&gt;</span> <span class="keyword">using</span> <span class="identifier">mp_product_q</span> <span class="special">=</span> <span class="identifier">mp_product</span><span class="special">&lt;</span><span class="identifier">Q</span><span class="special">::</span><span class="keyword">template</span> <span class="identifier">fn</span><span class="special">,</span> <span class="identifier">L</span><span class="special">...&gt;;</span>
+</pre>
+<p>
+          As <code class="computeroutput"><span class="identifier">mp_product</span></code>, but takes
+          a quoted metafunction.
+        </p>
+</div>
+<div class="section">
+<div class="titlepage"><div><div><h4 class="title">
 <a name="mp11.reference.algorithm.mp_drop_c_l_n"></a><a class="link" href="mp11.html#mp11.reference.algorithm.mp_drop_c_l_n" title="mp_drop_c&lt;L, N&gt;"><code class="computeroutput"><span class="identifier">mp_drop_c</span><span class="special">&lt;</span><span class="identifier">L</span><span class="special">,</span> <span class="identifier">N</span><span class="special">&gt;</span></code></a>
 </h4></div></div></div>
 <pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">L</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <span class="identifier">N</span><span class="special">&gt;</span> <span class="keyword">using</span> <span class="identifier">mp_drop_c</span> <span class="special">=</span> <span class="comment">/*...*/</span><span class="special">;</span>
@@ -1222,6 +1242,53 @@
 </div>
 <div class="section">
 <div class="titlepage"><div><div><h4 class="title">
+<a name="mp11.reference.algorithm.mp_insert_c_l_i_t"></a><a class="link" href="mp11.html#mp11.reference.algorithm.mp_insert_c_l_i_t" title="mp_insert_c&lt;L, I, T...&gt;"><code class="computeroutput"><span class="identifier">mp_insert_c</span><span class="special">&lt;</span><span class="identifier">L</span><span class="special">,</span> <span class="identifier">I</span><span class="special">,</span> <span class="identifier">T</span><span class="special">...&gt;</span></code></a>
+</h4></div></div></div>
+<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">L</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <span class="identifier">I</span><span class="special">,</span> <span class="keyword">class</span><span class="special">...</span> <span class="identifier">T</span><span class="special">&gt;</span> <span class="keyword">using</span> <span class="identifier">mp_insert_c</span> <span class="special">=</span> <span class="identifier">mp_append</span><span class="special">&lt;</span><span class="identifier">mp_take_c</span><span class="special">&lt;</span><span class="identifier">L</span><span class="special">,</span> <span class="identifier">I</span><span class="special">&gt;,</span> <span class="identifier">mp_push_front</span><span class="special">&lt;</span><span class="identifier">mp_drop_c</span><span class="special">&lt;</span><span class="identifier">L</span><span class="special">,</span> <span class="identifier">I</span><span class="special">&gt;,</span> <span class="identifier">T</span><span class="special">...&gt;&gt;;</span>
+</pre>
+<p>
+          Inserts the elements <code class="computeroutput"><span class="identifier">T</span><span class="special">...</span></code> into the list <code class="computeroutput"><span class="identifier">L</span></code>
+          at position <code class="computeroutput"><span class="identifier">I</span></code> (a zero-based
+          index).
+        </p>
+</div>
+<div class="section">
+<div class="titlepage"><div><div><h4 class="title">
+<a name="mp11.reference.algorithm.mp_insert_l_i_t"></a><a class="link" href="mp11.html#mp11.reference.algorithm.mp_insert_l_i_t" title="mp_insert&lt;L, I, T...&gt;"><code class="computeroutput"><span class="identifier">mp_insert</span><span class="special">&lt;</span><span class="identifier">L</span><span class="special">,</span> <span class="identifier">I</span><span class="special">,</span> <span class="identifier">T</span><span class="special">...&gt;</span></code></a>
+</h4></div></div></div>
+<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">L</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">I</span><span class="special">,</span> <span class="keyword">class</span><span class="special">...</span> <span class="identifier">T</span><span class="special">&gt;</span> <span class="keyword">using</span> <span class="identifier">mp_insert</span> <span class="special">=</span> <span class="identifier">mp_append</span><span class="special">&lt;</span><span class="identifier">mp_take</span><span class="special">&lt;</span><span class="identifier">L</span><span class="special">,</span> <span class="identifier">I</span><span class="special">&gt;,</span> <span class="identifier">mp_push_front</span><span class="special">&lt;</span><span class="identifier">mp_drop</span><span class="special">&lt;</span><span class="identifier">L</span><span class="special">,</span> <span class="identifier">I</span><span class="special">&gt;,</span> <span class="identifier">T</span><span class="special">...&gt;&gt;;</span>
+</pre>
+<p>
+          Same as <code class="computeroutput"><span class="identifier">mp_insert_c</span></code>, but
+          with a type argument <code class="computeroutput"><span class="identifier">I</span></code>.
+        </p>
+</div>
+<div class="section">
+<div class="titlepage"><div><div><h4 class="title">
+<a name="mp11.reference.algorithm.mp_erase_c_l_i_j"></a><a class="link" href="mp11.html#mp11.reference.algorithm.mp_erase_c_l_i_j" title="mp_erase_c&lt;L, I, J&gt;"><code class="computeroutput"><span class="identifier">mp_erase_c</span><span class="special">&lt;</span><span class="identifier">L</span><span class="special">,</span> <span class="identifier">I</span><span class="special">,</span> <span class="identifier">J</span><span class="special">&gt;</span></code></a>
+</h4></div></div></div>
+<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">L</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <span class="identifier">I</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <span class="identifier">J</span><span class="special">&gt;</span> <span class="keyword">using</span> <span class="identifier">mp_erase</span> <span class="special">=</span> <span class="identifier">mp_append</span><span class="special">&lt;</span><span class="identifier">mp_take_c</span><span class="special">&lt;</span><span class="identifier">L</span><span class="special">,</span> <span class="identifier">I</span><span class="special">&gt;,</span> <span class="identifier">mp_drop_c</span><span class="special">&lt;</span><span class="identifier">L</span><span class="special">,</span> <span class="identifier">J</span><span class="special">&gt;&gt;;</span>
+</pre>
+<p>
+          Removes from the list <code class="computeroutput"><span class="identifier">L</span></code>
+          the elements with indices from <code class="computeroutput"><span class="identifier">I</span></code>
+          (inclusive) to <code class="computeroutput"><span class="identifier">J</span></code> (exclusive).
+        </p>
+</div>
+<div class="section">
+<div class="titlepage"><div><div><h4 class="title">
+<a name="mp11.reference.algorithm.mp_erase_l_i_j"></a><a class="link" href="mp11.html#mp11.reference.algorithm.mp_erase_l_i_j" title="mp_erase&lt;L, I, J&gt;"><code class="computeroutput"><span class="identifier">mp_erase</span><span class="special">&lt;</span><span class="identifier">L</span><span class="special">,</span> <span class="identifier">I</span><span class="special">,</span> <span class="identifier">J</span><span class="special">&gt;</span></code></a>
+</h4></div></div></div>
+<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">L</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">I</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">J</span><span class="special">&gt;</span> <span class="keyword">using</span> <span class="identifier">mp_erase</span> <span class="special">=</span> <span class="identifier">mp_append</span><span class="special">&lt;</span><span class="identifier">mp_take</span><span class="special">&lt;</span><span class="identifier">L</span><span class="special">,</span> <span class="identifier">I</span><span class="special">&gt;,</span> <span class="identifier">mp_drop</span><span class="special">&lt;</span><span class="identifier">L</span><span class="special">,</span> <span class="identifier">J</span><span class="special">&gt;&gt;;</span>
+</pre>
+<p>
+          Same as <code class="computeroutput"><span class="identifier">mp_erase_c</span></code>, but
+          with a type arguments <code class="computeroutput"><span class="identifier">I</span></code>
+          and <code class="computeroutput"><span class="identifier">J</span></code>.
+        </p>
+</div>
+<div class="section">
+<div class="titlepage"><div><div><h4 class="title">
 <a name="mp11.reference.algorithm.mp_replace_l_v_w"></a><a class="link" href="mp11.html#mp11.reference.algorithm.mp_replace_l_v_w" title="mp_replace&lt;L, V, W&gt;"><code class="computeroutput"><span class="identifier">mp_replace</span><span class="special">&lt;</span><span class="identifier">L</span><span class="special">,</span> <span class="identifier">V</span><span class="special">,</span> <span class="identifier">W</span><span class="special">&gt;</span></code></a>
 </h4></div></div></div>
 <pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">L</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">V</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">W</span><span class="special">&gt;</span> <span class="keyword">using</span> <span class="identifier">mp_replace</span> <span class="special">=</span> <span class="comment">/*...*/</span><span class="special">;</span>
@@ -1342,8 +1409,11 @@
 <pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">L</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">V</span><span class="special">&gt;</span> <span class="keyword">using</span> <span class="identifier">mp_find</span> <span class="special">=</span> <span class="comment">/*...*/</span><span class="special">;</span>
 </pre>
 <p>
-          <code class="computeroutput"><span class="identifier">mp_find</span><span class="special">&lt;</span><span class="identifier">L</span><span class="special">,</span> <span class="identifier">V</span><span class="special">&gt;</span></code> is an alias for <code class="computeroutput"><span class="identifier">mp_size_t</span><span class="special">&lt;</span><span class="identifier">I</span><span class="special">&gt;</span></code>, where <code class="computeroutput"><span class="identifier">I</span></code>
+          <code class="computeroutput"><span class="identifier">mp_find</span><span class="special">&lt;</span><span class="identifier">L</span><span class="special">,</span> <span class="identifier">V</span><span class="special">&gt;</span></code> returns the index at which the type
-          is the zero-based index of the first occurence of <code class="computeroutput"><span class="identifier">V</span></code>
+          <code class="computeroutput"><span class="identifier">V</span></code> is located in the list
+          <code class="computeroutput"><span class="identifier">L</span></code>. It's an alias for <code class="computeroutput"><span class="identifier">mp_size_t</span><span class="special">&lt;</span><span class="identifier">I</span><span class="special">&gt;</span></code>,
+          where <code class="computeroutput"><span class="identifier">I</span></code> is the zero-based
+          index of the first occurence of <code class="computeroutput"><span class="identifier">V</span></code>
           in <code class="computeroutput"><span class="identifier">L</span></code>. If <code class="computeroutput"><span class="identifier">L</span></code> does not contain <code class="computeroutput"><span class="identifier">V</span></code>,
           <code class="computeroutput"><span class="identifier">mp_find</span><span class="special">&lt;</span><span class="identifier">L</span><span class="special">,</span> <span class="identifier">V</span><span class="special">&gt;</span></code> is <code class="computeroutput"><span class="identifier">mp_size</span><span class="special">&lt;</span><span class="identifier">L</span><span class="special">&gt;</span></code>.
         </p>
@@ -1453,6 +1523,21 @@
           one element of <code class="computeroutput"><span class="identifier">L</span></code>, <code class="computeroutput"><span class="identifier">mp_false</span></code> otherwise. When <code class="computeroutput"><span class="identifier">L</span></code> is empty, the result is <code class="computeroutput"><span class="identifier">mp_false</span></code>.
         </p>
 </div>
+<div class="section">
+<div class="titlepage"><div><div><h4 class="title">
+<a name="mp11.reference.algorithm.mp_for_each_l_f"></a><a class="link" href="mp11.html#mp11.reference.algorithm.mp_for_each_l_f" title="mp_for_each&lt;L&gt;(f)"><code class="computeroutput"><span class="identifier">mp_for_each</span><span class="special">&lt;</span><span class="identifier">L</span><span class="special">&gt;(</span><span class="identifier">f</span><span class="special">)</span></code></a>
+</h4></div></div></div>
+<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">L</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">F</span><span class="special">&gt;</span> <span class="keyword">constexpr</span> <span class="identifier">F</span> <span class="identifier">mp_for_each</span><span class="special">(</span><span class="identifier">F</span><span class="special">&amp;&amp;</span> <span class="identifier">f</span><span class="special">);</span>
+</pre>
+<p>
+          <code class="computeroutput"><span class="identifier">mp_for_each</span><span class="special">&lt;</span><span class="identifier">L</span><span class="special">&gt;(</span><span class="identifier">f</span><span class="special">)</span></code> calls
+          <code class="computeroutput"><span class="identifier">f</span></code> with <code class="computeroutput"><span class="identifier">mp_identity</span><span class="special">&lt;</span><span class="identifier">T</span><span class="special">&gt;()</span></code> for each element <code class="computeroutput"><span class="identifier">T</span></code>
+          of the list <code class="computeroutput"><span class="identifier">L</span></code>, in order.
+        </p>
+<p>
+          Returns <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">forward</span><span class="special">&lt;</span><span class="identifier">F</span><span class="special">&gt;(</span><span class="identifier">f</span><span class="special">)</span></code>.
+        </p>
+</div>
 </div>
 <div class="section">
 <div class="titlepage"><div><div><h3 class="title">
@@ -1866,7 +1951,7 @@
 </div>
 </div>
 <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
-<td align="left"><p><small>Last revised: May 12, 2017 at 16:48:16 GMT</small></p></td>
+<td align="left"><p><small>Last revised: May 13, 2017 at 18:21:04 GMT</small></p></td>
 <td align="right"><div class="copyright-footer"></div></td>
 </tr></table>
 <hr>

doc/mp11/algorithm.qbk

@@ -83,6 +83,12 @@ the Cartesian product of the lists, as if the elements `Ui` are formed by `n` ne
 It returns a list of type `L1` containing the results of the application of `F`.
 [endsect]
 
+[section `mp_product_q<Q, L...>`]
+    template<class Q, class... L> using mp_product_q = mp_product<Q::template fn, L...>;
+
+As `mp_product`, but takes a quoted metafunction.
+[endsect]
+
 [section `mp_drop_c<L, N>`]
     template<class L, std::size_t N> using mp_drop_c = /*...*/;
 
@@ -133,6 +139,30 @@ Same as `mp_at_c`, but with a type argument `I`. `I::value` must be a nonnegativ
 Same as `mp_take_c`, but with a type argument `N`. `N::value` must be a nonnegative number.
 [endsect]
 
+[section `mp_insert_c<L, I, T...>`]
+    template<class L, std::size_t I, class... T> using mp_insert_c = mp_append<mp_take_c<L, I>, mp_push_front<mp_drop_c<L, I>, T...>>;
+
+Inserts the elements `T...` into the list `L` at position `I` (a zero-based index).
+[endsect]
+
+[section `mp_insert<L, I, T...>`]
+    template<class L, class I, class... T> using mp_insert = mp_append<mp_take<L, I>, mp_push_front<mp_drop<L, I>, T...>>;
+
+Same as `mp_insert_c`, but with a type argument `I`.
+[endsect]
+
+[section `mp_erase_c<L, I, J>`]
+    template<class L, std::size_t I, std::size_t J> using mp_erase = mp_append<mp_take_c<L, I>, mp_drop_c<L, J>>;
+
+Removes from the list `L` the elements with indices from `I` (inclusive) to `J` (exclusive).
+[endsect]
+
+[section `mp_erase<L, I, J>`]
+    template<class L, class I, class J> using mp_erase = mp_append<mp_take<L, I>, mp_drop<L, J>>;
+
+Same as `mp_erase_c`, but with a type arguments `I` and `J`.
+[endsect]
+
 [section `mp_replace<L, V, W>`]
     template<class L, class V, class W> using mp_replace = /*...*/;
 
@@ -191,8 +221,9 @@ for the elements of `L<U1...>` and `mp_false` for the elements of `L<U2...>`. Re
 [section `mp_find<L, V>`]
     template<class L, class V> using mp_find = /*...*/;
 
-`mp_find<L, V>` is an alias for `mp_size_t<I>`, where `I` is the zero-based index of the first occurence of `V` in `L`. If
+`mp_find<L, V>` returns the index at which the type `V` is located in the list `L`. It's an alias for `mp_size_t<I>`,
-`L` does not contain `V`, `mp_find<L, V>` is `mp_size<L>`.
+where `I` is the zero-based index of the first occurence of `V` in `L`. If `L` does not contain `V`, `mp_find<L, V>`
+is `mp_size<L>`.
 [endsect]
 
 [section `mp_find_if<L, P>`]
@@ -244,4 +275,12 @@ for the elements of `L<U1...>` and `mp_false` for the elements of `L<U2...>`. Re
 `mp_any_of<L, P>` is `mp_true` when `P` holds for at least one element of `L`, `mp_false` otherwise. When `L` is empty, the result is `mp_false`.
 [endsect]
 
+[section `mp_for_each<L>(f)`]
+    template<class L, class F> constexpr F mp_for_each(F&& f);
+
+`mp_for_each<L>(f)` calls `f` with `mp_identity<T>()` for each element `T` of the list `L`, in order.
+
+Returns `std::forward<F>(f)`.
+[endsect]
+
 [endsect:algorithm]

doc/mp11/examples.qbk

@@ -115,10 +115,11 @@ We'll first define a helper quoted metafunction `Qret<F>` that returns the resul
 
 With `Qret` in hand, a `variant` of the possible return types is just a matter of applying it over the possible combinations of the variant values:
 
-    using R = mp_product<Qret<F>::template fn, std::remove_reference_t<V>...>;
+    using R = mp_product_q<Qret<F>, std::remove_reference_t<V>...>;
 
 Why does this work? `mp_product<F, L1<T1...>, L2<T2...>, ..., Ln<Tn...>>` returns `L1<F<U1, U2, ..., Un>, ...>`, where `Ui` traverse all
-possible combinations of list values. Since in our case all `Li` are `std::variant`, the result will also be `std::variant`.
+possible combinations of list values. Since in our case all `Li` are `std::variant`, the result will also be `std::variant`. (`mp_product_q` is
+the same as `mp_product`, but for quoted metafunctions such as our `Qret<F>`.)
 
 One more step remains. Suppose that, as above, we're passing two variants of type `std::variant<short, int, float>` and `F` is
 `[]( auto const& x, auto const& y ){ return x + y; }`. This will generate `R` of length 9, one per each combination, but many of those

include/boost/mp11/algorithm.hpp

@@ -20,6 +20,7 @@
 #include <boost/config.hpp>
 #include <boost/detail/workaround.hpp>
 #include <type_traits>
+#include <utility>
 
 namespace boost
 {
@@ -208,6 +209,7 @@ template<template<class...> class F, class L1, class... L> struct mp_product_imp
 } // namespace detail
 
 template<template<class...> class F, class... L> using mp_product = typename detail::mp_product_impl<F, L...>::type;
+template<class Q, class... L> using mp_product_q = typename detail::mp_product_impl<Q::template fn, L...>::type;
 
 // mp_drop(_c)<L, N>
 namespace detail
@@ -823,6 +825,44 @@ template<class L, class I, class W> struct mp_replace_at_impl
 template<class L, class I, class W> using mp_replace_at = typename detail::mp_replace_at_impl<L, I, W>::type;
 template<class L, std::size_t I, class W> using mp_replace_at_c = typename detail::mp_replace_at_impl<L, mp_size_t<I>, W>::type;
 
+//mp_for_each<L>(f)
+namespace detail
+{
+
+template<class... T, class F> BOOST_CONSTEXPR F mp_for_each_impl( mp_list<T...>, F && f )
+{
+    using A = int[sizeof...(T)];
+    return (void)A{ ((void)f(mp_identity<T>()), 0)... }, std::forward<F>(f);
+}
+
+#if BOOST_WORKAROUND( BOOST_MSVC, <= 1800 )
+
+template<class F> BOOST_CONSTEXPR F mp_for_each_impl( mp_list<>, F && f )
+{
+    return std::forward<F>(f);
+}
+
+#endif
+
+} // namespace detail
+
+template<class L, class F> BOOST_CONSTEXPR F mp_for_each( F && f )
+{
+    return detail::mp_for_each_impl( mp_rename<L, mp_list>(), std::forward<F>(f) );
+}
+
+// mp_insert<L, I, T...>
+template<class L, class I, class... T> using mp_insert = mp_append<mp_take<L, I>, mp_push_front<mp_drop<L, I>, T...>>;
+
+// mp_insert_c<L, I, T...>
+template<class L, std::size_t I, class... T> using mp_insert_c = mp_append<mp_take_c<L, I>, mp_push_front<mp_drop_c<L, I>, T...>>;
+
+// mp_erase<L, I, J>
+template<class L, class I, class J> using mp_erase = mp_append<mp_take<L, I>, mp_drop<L, J>>;
+
+// mp_erase_c<L, I, J>
+template<class L, std::size_t I, std::size_t J> using mp_erase_c = mp_append<mp_take_c<L, I>, mp_drop_c<L, J>>;
+
 } // namespace mp11
 } // namespace boost
 

include/boost/tuple_for_each.hpp

@@ -3,6 +3,7 @@
 
 #include <boost/integer_sequence.hpp>
 #include <boost/config.hpp>
+#include <boost/detail/workaround.hpp>
 #include <tuple>
 #include <utility>
 #include <type_traits>
@@ -20,6 +21,15 @@ template<class Tp, std::size_t... J, class F> BOOST_CONSTEXPR F tuple_for_each_i
     return (void)A{ ((void)f(std::get<J>(std::forward<Tp>(tp))), 0)... }, std::forward<F>(f);
 }
 
+#if BOOST_WORKAROUND( BOOST_MSVC, <= 1800 )
+
+template<class Tp, class F> BOOST_CONSTEXPR F tuple_for_each_impl( Tp && tp, boost::integer_sequence<std::size_t>, F && f )
+{
+    return std::forward<F>(f);
+}
+
+#endif
+
 } // namespace detail
 
 template<class Tp, class F> BOOST_CONSTEXPR F tuple_for_each( Tp && tp, F && f )

test/Jamfile.v2

@@ -64,6 +64,9 @@ run mp_any_of.cpp : : : $(REQ) ;
 run mp_none_of.cpp : : : $(REQ) ;
 run mp_replace_at.cpp : : : $(REQ) ;
 run mp_replace_at_c.cpp : : : $(REQ) ;
+run mp_for_each.cpp : : : $(REQ) ;
+run mp_insert.cpp : : : $(REQ) ;
+run mp_erase.cpp : : : $(REQ) ;
 
 # integral
 run integral.cpp : : : $(REQ) ;

test/mp_erase.cpp

@@ -0,0 +1,171 @@
+
+//  Copyright 2015, 2017 Peter Dimov.
+//
+// Distributed under the Boost Software License, Version 1.0.
+//
+// See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt
+
+
+#include <boost/mp11/algorithm.hpp>
+#include <boost/mp11/list.hpp>
+#include <boost/mp11/integral.hpp>
+#include <boost/core/lightweight_test_trait.hpp>
+#include <type_traits>
+#include <tuple>
+#include <utility>
+
+struct X1 {};
+struct X2 {};
+struct X3 {};
+struct X4 {};
+struct X5 {};
+
+int main()
+{
+    using boost::mp11::mp_list;
+    using boost::mp11::mp_erase;
+    using boost::mp11::mp_erase_c;
+    using boost::mp11::mp_size_t;
+
+    using _0 = mp_size_t<0>;
+    using _1 = mp_size_t<1>;
+    using _2 = mp_size_t<2>;
+    using _3 = mp_size_t<3>;
+    using _4 = mp_size_t<4>;
+    using _5 = mp_size_t<5>;
+
+    {
+        using L1 = mp_list<>;
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L1, 0, 0>, L1>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L1, _0, _0>, L1>));
+
+        using L2 = mp_list<X1, X2, X3, X4, X5>;
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 0, 0>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 1, 1>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 2, 2>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 3, 3>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 4, 4>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 5, 5>, L2>));
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _0, _0>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _1, _1>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _2, _2>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _3, _3>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _4, _4>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _5, _5>, L2>));
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 0, 1>, mp_list<X2, X3, X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 1, 2>, mp_list<X1, X3, X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 2, 3>, mp_list<X1, X2, X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 3, 4>, mp_list<X1, X2, X3, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 4, 5>, mp_list<X1, X2, X3, X4>>));
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _0, _1>, mp_list<X2, X3, X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _1, _2>, mp_list<X1, X3, X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _2, _3>, mp_list<X1, X2, X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _3, _4>, mp_list<X1, X2, X3, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _4, _5>, mp_list<X1, X2, X3, X4>>));
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 0, 2>, mp_list<X3, X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 1, 3>, mp_list<X1, X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 2, 4>, mp_list<X1, X2, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 3, 5>, mp_list<X1, X2, X3>>));
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _0, _2>, mp_list<X3, X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _1, _3>, mp_list<X1, X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _2, _4>, mp_list<X1, X2, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _3, _5>, mp_list<X1, X2, X3>>));
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 0, 3>, mp_list<X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 1, 4>, mp_list<X1, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 2, 5>, mp_list<X1, X2>>));
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _0, _3>, mp_list<X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _1, _4>, mp_list<X1, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _2, _5>, mp_list<X1, X2>>));
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 0, 4>, mp_list<X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 1, 5>, mp_list<X1>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 0, 5>, mp_list<>>));
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _0, _4>, mp_list<X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _1, _5>, mp_list<X1>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _0, _5>, mp_list<>>));
+
+        using L3 = mp_list<X1, X2, X3, X4, X5, X1, X2, X3, X4, X5, X1, X2, X3, X4, X5, X1, X2, X3, X4, X5>;
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L3, 8, 18>, mp_list<X1, X2, X3, X4, X5, X1, X2, X3, X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L3, mp_size_t<8>, mp_size_t<18>>, mp_list<X1, X2, X3, X4, X5, X1, X2, X3, X4, X5>>));
+    }
+
+    {
+        using L1 = std::tuple<>;
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L1, 0, 0>, L1>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L1, _0, _0>, L1>));
+
+        using L2 = std::tuple<X1, X2, X3, X4, X5>;
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 0, 0>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 1, 1>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 2, 2>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 3, 3>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 4, 4>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 5, 5>, L2>));
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _0, _0>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _1, _1>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _2, _2>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _3, _3>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _4, _4>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _5, _5>, L2>));
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 0, 1>, std::tuple<X2, X3, X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 1, 2>, std::tuple<X1, X3, X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 2, 3>, std::tuple<X1, X2, X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 3, 4>, std::tuple<X1, X2, X3, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 4, 5>, std::tuple<X1, X2, X3, X4>>));
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _0, _1>, std::tuple<X2, X3, X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _1, _2>, std::tuple<X1, X3, X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _2, _3>, std::tuple<X1, X2, X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _3, _4>, std::tuple<X1, X2, X3, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _4, _5>, std::tuple<X1, X2, X3, X4>>));
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 0, 2>, std::tuple<X3, X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 1, 3>, std::tuple<X1, X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 2, 4>, std::tuple<X1, X2, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 3, 5>, std::tuple<X1, X2, X3>>));
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _0, _2>, std::tuple<X3, X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _1, _3>, std::tuple<X1, X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _2, _4>, std::tuple<X1, X2, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _3, _5>, std::tuple<X1, X2, X3>>));
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 0, 3>, std::tuple<X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 1, 4>, std::tuple<X1, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 2, 5>, std::tuple<X1, X2>>));
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _0, _3>, std::tuple<X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _1, _4>, std::tuple<X1, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _2, _5>, std::tuple<X1, X2>>));
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 0, 4>, std::tuple<X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 1, 5>, std::tuple<X1>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L2, 0, 5>, std::tuple<>>));
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _0, _4>, std::tuple<X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _1, _5>, std::tuple<X1>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L2, _0, _5>, std::tuple<>>));
+
+        using L3 = std::tuple<X1, X2, X3, X4, X5, X1, X2, X3, X4, X5, X1, X2, X3, X4, X5, X1, X2, X3, X4, X5>;
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase_c<L3, 8, 18>, std::tuple<X1, X2, X3, X4, X5, X1, X2, X3, X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_erase<L3, mp_size_t<8>, mp_size_t<18>>, std::tuple<X1, X2, X3, X4, X5, X1, X2, X3, X4, X5>>));
+    }
+
+    return boost::report_errors();
+}

test/mp_for_each.cpp

@@ -0,0 +1,73 @@
+
+//  Copyright 2017 Peter Dimov.
+//
+// Distributed under the Boost Software License, Version 1.0.
+//
+// See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt
+
+
+#include <boost/mp11/algorithm.hpp>
+#include <boost/mp11/list.hpp>
+#include <boost/core/lightweight_test.hpp>
+#include <boost/config.hpp>
+#include <boost/detail/workaround.hpp>
+#include <tuple>
+
+using boost::mp11::mp_identity;
+
+#if !defined( BOOST_NO_CXX14_CONSTEXPR )
+# define CONSTEXPR14 constexpr
+#else
+# define CONSTEXPR14
+#endif
+
+struct F
+{
+    int s;
+
+    CONSTEXPR14 void operator()( mp_identity<int> ) { s = s * 10 + 1; }
+    CONSTEXPR14 void operator()( mp_identity<short> ) { s = s * 10 + 2; }
+    CONSTEXPR14 void operator()( mp_identity<char> ) { s = s * 10 + 3; }
+};
+
+using boost::mp11::mp_list;
+using boost::mp11::mp_for_each;
+
+int main()
+{
+    BOOST_TEST_EQ( (mp_for_each<mp_list<>>( 11 )), 11 );
+    BOOST_TEST_EQ( (mp_for_each<mp_list<int>>( F{0} ).s), 1 );
+    BOOST_TEST_EQ( (mp_for_each<mp_list<int, short>>( F{0} ).s), 12 );
+    BOOST_TEST_EQ( (mp_for_each<mp_list<int, short, char>>( F{0} ).s), 123 );
+
+    BOOST_TEST_EQ( (mp_for_each<std::tuple<>>( 11 )), 11 );
+    BOOST_TEST_EQ( (mp_for_each<std::tuple<int>>( F{0} ).s), 1 );
+    BOOST_TEST_EQ( (mp_for_each<std::tuple<int, short>>( F{0} ).s), 12 );
+    BOOST_TEST_EQ( (mp_for_each<std::tuple<int, short, char>>( F{0} ).s), 123 );
+
+    BOOST_TEST_EQ( (mp_for_each<std::pair<int, short>>( F{0} ).s), 12 );
+
+#if defined( BOOST_NO_CXX11_CONSTEXPR ) || ( defined( _LIBCPP_VERSION ) && __cplusplus < 201400L )
+#else
+
+    static_assert( mp_for_each<mp_list<>>( 11 ) == 11, "mp_for_each<mp_list<>>( 11 ) == 11" );
+    static_assert( mp_for_each<std::tuple<>>( 12 ) == 12, "mp_for_each<std::tuple<>>( 12 ) == 12" );
+
+#endif
+
+#if !defined( BOOST_NO_CXX14_CONSTEXPR ) && !BOOST_WORKAROUND( BOOST_MSVC, <= 1910 )
+
+    constexpr auto r1 = mp_for_each<mp_list<int, short, char>>( F{0} );
+    static_assert( r1.s == 123, "r1.s == 123" );
+
+    constexpr auto r2 = mp_for_each<std::tuple<int, short, char>>( F{0} );
+    static_assert( r2.s == 123, "r2.s == 123" );
+
+    constexpr auto r3 = mp_for_each<std::pair<int, short>>( F{0} );
+    static_assert( r3.s == 12, "r3.s == 12" );
+
+#endif
+
+    return boost::report_errors();
+}

test/mp_insert.cpp

@@ -0,0 +1,137 @@
+
+//  Copyright 2015, 2017 Peter Dimov.
+//
+// Distributed under the Boost Software License, Version 1.0.
+//
+// See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt
+
+
+#include <boost/mp11/algorithm.hpp>
+#include <boost/mp11/list.hpp>
+#include <boost/mp11/integral.hpp>
+#include <boost/core/lightweight_test_trait.hpp>
+#include <type_traits>
+#include <tuple>
+#include <utility>
+
+struct X1 {};
+struct X2 {};
+struct X3 {};
+struct X4 {};
+struct X5 {};
+
+struct Y1 {};
+struct Y2 {};
+
+int main()
+{
+    using boost::mp11::mp_list;
+    using boost::mp11::mp_insert;
+    using boost::mp11::mp_insert_c;
+    using boost::mp11::mp_size_t;
+
+    {
+        using L1 = mp_list<>;
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert_c<L1, 0>, L1>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert<L1, mp_size_t<0>>, L1>));
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert_c<L1, 0, Y1>, mp_list<Y1>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert<L1, mp_size_t<0>, Y1>, mp_list<Y1>>));
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert_c<L1, 0, Y1, Y2>, mp_list<Y1, Y2>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert<L1, mp_size_t<0>, Y1, Y2>, mp_list<Y1, Y2>>));
+
+        using L2 = mp_list<X1, X2, X3, X4, X5>;
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert_c<L2, 0>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert_c<L2, 1>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert_c<L2, 2>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert_c<L2, 3>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert_c<L2, 4>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert_c<L2, 5>, L2>));
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert_c<L2, 0, Y1, Y2>, mp_list<Y1, Y2, X1, X2, X3, X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert_c<L2, 1, Y1, Y2>, mp_list<X1, Y1, Y2, X2, X3, X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert_c<L2, 2, Y1, Y2>, mp_list<X1, X2, Y1, Y2, X3, X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert_c<L2, 3, Y1, Y2>, mp_list<X1, X2, X3, Y1, Y2, X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert_c<L2, 4, Y1, Y2>, mp_list<X1, X2, X3, X4, Y1, Y2, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert_c<L2, 5, Y1, Y2>, mp_list<X1, X2, X3, X4, X5, Y1, Y2>>));
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert<L2, mp_size_t<0>>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert<L2, mp_size_t<1>>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert<L2, mp_size_t<2>>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert<L2, mp_size_t<3>>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert<L2, mp_size_t<4>>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert<L2, mp_size_t<5>>, L2>));
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert<L2, mp_size_t<0>, Y1, Y2>, mp_list<Y1, Y2, X1, X2, X3, X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert<L2, mp_size_t<1>, Y1, Y2>, mp_list<X1, Y1, Y2, X2, X3, X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert<L2, mp_size_t<2>, Y1, Y2>, mp_list<X1, X2, Y1, Y2, X3, X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert<L2, mp_size_t<3>, Y1, Y2>, mp_list<X1, X2, X3, Y1, Y2, X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert<L2, mp_size_t<4>, Y1, Y2>, mp_list<X1, X2, X3, X4, Y1, Y2, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert<L2, mp_size_t<5>, Y1, Y2>, mp_list<X1, X2, X3, X4, X5, Y1, Y2>>));
+
+        using L3 = mp_list<X1, X2, X3, X4, X5, X1, X2, X3, X4, X5, X1, X2, X3, X4, X5, X1, X2, X3, X4, X5>;
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert_c<L3, 8>, L3>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert<L3, mp_size_t<9>>, L3>));
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert_c<L3, 8, Y1, Y2>, mp_list<X1, X2, X3, X4, X5, X1, X2, X3, Y1, Y2, X4, X5, X1, X2, X3, X4, X5, X1, X2, X3, X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert<L3, mp_size_t<9>, Y1, Y2>, mp_list<X1, X2, X3, X4, X5, X1, X2, X3, X4, Y1, Y2, X5, X1, X2, X3, X4, X5, X1, X2, X3, X4, X5>>));
+    }
+
+    {
+        using L1 = std::tuple<>;
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert_c<L1, 0>, L1>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert<L1, mp_size_t<0>>, L1>));
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert_c<L1, 0, Y1>, std::tuple<Y1>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert<L1, mp_size_t<0>, Y1>, std::tuple<Y1>>));
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert_c<L1, 0, Y1, Y2>, std::tuple<Y1, Y2>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert<L1, mp_size_t<0>, Y1, Y2>, std::tuple<Y1, Y2>>));
+
+        using L2 = std::tuple<X1, X2, X3, X4, X5>;
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert_c<L2, 0>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert_c<L2, 1>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert_c<L2, 2>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert_c<L2, 3>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert_c<L2, 4>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert_c<L2, 5>, L2>));
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert_c<L2, 0, Y1, Y2>, std::tuple<Y1, Y2, X1, X2, X3, X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert_c<L2, 1, Y1, Y2>, std::tuple<X1, Y1, Y2, X2, X3, X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert_c<L2, 2, Y1, Y2>, std::tuple<X1, X2, Y1, Y2, X3, X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert_c<L2, 3, Y1, Y2>, std::tuple<X1, X2, X3, Y1, Y2, X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert_c<L2, 4, Y1, Y2>, std::tuple<X1, X2, X3, X4, Y1, Y2, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert_c<L2, 5, Y1, Y2>, std::tuple<X1, X2, X3, X4, X5, Y1, Y2>>));
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert<L2, mp_size_t<0>>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert<L2, mp_size_t<1>>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert<L2, mp_size_t<2>>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert<L2, mp_size_t<3>>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert<L2, mp_size_t<4>>, L2>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert<L2, mp_size_t<5>>, L2>));
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert<L2, mp_size_t<0>, Y1, Y2>, std::tuple<Y1, Y2, X1, X2, X3, X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert<L2, mp_size_t<1>, Y1, Y2>, std::tuple<X1, Y1, Y2, X2, X3, X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert<L2, mp_size_t<2>, Y1, Y2>, std::tuple<X1, X2, Y1, Y2, X3, X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert<L2, mp_size_t<3>, Y1, Y2>, std::tuple<X1, X2, X3, Y1, Y2, X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert<L2, mp_size_t<4>, Y1, Y2>, std::tuple<X1, X2, X3, X4, Y1, Y2, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert<L2, mp_size_t<5>, Y1, Y2>, std::tuple<X1, X2, X3, X4, X5, Y1, Y2>>));
+
+        using L3 = std::tuple<X1, X2, X3, X4, X5, X1, X2, X3, X4, X5, X1, X2, X3, X4, X5, X1, X2, X3, X4, X5>;
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert_c<L3, 8>, L3>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert<L3, mp_size_t<9>>, L3>));
+
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert_c<L3, 8, Y1, Y2>, std::tuple<X1, X2, X3, X4, X5, X1, X2, X3, Y1, Y2, X4, X5, X1, X2, X3, X4, X5, X1, X2, X3, X4, X5>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_insert<L3, mp_size_t<9>, Y1, Y2>, std::tuple<X1, X2, X3, X4, X5, X1, X2, X3, X4, Y1, Y2, X5, X1, X2, X3, X4, X5, X1, X2, X3, X4, X5>>));
+    }
+
+    return boost::report_errors();
+}

test/mp_product.cpp

@@ -9,6 +9,7 @@
 
 #include <boost/mp11/algorithm.hpp>
 #include <boost/mp11/list.hpp>
+#include <boost/mp11/utility.hpp>
 #include <boost/core/lightweight_test_trait.hpp>
 #include <type_traits>
 #include <tuple>
@@ -29,6 +30,8 @@ int main()
 {
     using boost::mp11::mp_list;
     using boost::mp11::mp_product;
+    using boost::mp11::mp_product_q;
+    using boost::mp11::mp_quote;
 
     {
         using L1 = std::tuple<X1, X2, X3>;
@@ -36,6 +39,7 @@ int main()
         using L3 = std::pair<Z1, Z2>;
 
         BOOST_TEST_TRAIT_TRUE((std::is_same<mp_product<F, L1, L2, L3>, std::tuple<F<X1, Y1, Z1>, F<X1, Y1, Z2>, F<X2, Y1, Z1>, F<X2, Y1, Z2>, F<X3, Y1, Z1>, F<X3, Y1, Z2>>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_product_q<mp_quote<F>, L1, L2, L3>, std::tuple<F<X1, Y1, Z1>, F<X1, Y1, Z2>, F<X2, Y1, Z1>, F<X2, Y1, Z2>, F<X3, Y1, Z1>, F<X3, Y1, Z2>>>));
     }
 
     {
@@ -44,6 +48,7 @@ int main()
         using L3 = std::pair<Z1, Z2>;
 
         BOOST_TEST_TRAIT_TRUE((std::is_same<mp_product<F, L1, L2, L3>, std::tuple<>>));
+        BOOST_TEST_TRAIT_TRUE((std::is_same<mp_product_q<mp_quote<F>, L1, L2, L3>, std::tuple<>>));
     }
 
     return boost::report_errors();

test/tuple_for_each.cpp

@@ -91,5 +91,19 @@ int main()
         }
     }
 
+    {
+        std::tuple<> tp;
+
+        BOOST_TEST_EQ( boost::tuple_for_each( tp, 11 ), 11 );
+        BOOST_TEST_EQ( boost::tuple_for_each( std::move( tp ), 12 ), 12 );
+    }
+
+    {
+        std::array<int, 0> tp;
+
+        BOOST_TEST_EQ( boost::tuple_for_each( tp, 11 ), 11 );
+        BOOST_TEST_EQ( boost::tuple_for_each( std::move( tp ), 12 ), 12 );
+    }
+
     return boost::report_errors();
 }

test/tuple_for_each_cx.cpp

@@ -31,9 +31,22 @@ struct assert_is_integral
 
 int main()
 {
-    constexpr std::tuple<int, short, char> tp{ 1, 2, 3 };
+    {
-    constexpr auto r = boost::tuple_for_each( tp, assert_is_integral() );
+        constexpr std::tuple<int, short, char> tp{ 1, 2, 3 };
-    (void)r;
+        constexpr auto r = boost::tuple_for_each( tp, assert_is_integral() );
+        (void)r;
+    }
+
+#if defined( __clang_major__ ) && __clang_major__ == 3 && __clang_minor__ < 9
+#else
+
+    {
+        constexpr std::tuple<> tp;
+        constexpr auto r = boost::tuple_for_each( tp, 11 );
+        static_assert( r == 11, "r == 11" );
+    }
+
+#endif
 }
 
 #endif