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Implement an alternative erase function that doesn't return an iterator.

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Ref #3693

[SVN r58403]
This commit is contained in:
Daniel James
2009-12-15 22:52:52 +00:00
parent 2f0a94bcfd
commit 4e6292b439
7 changed files with 210 additions and 6 deletions
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doc/ref.xml
+120
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@@ -459,6 +459,15 @@ file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
<para>Only throws an exception if it is thrown by <code>hasher</code> or <code>key_equal</code>.</para>
<para>In this implementation, this overload doesn't call either function object's methods so it is no throw, but this might not be true in other implementations.</para>
</throws>
<notes>
<para>
When the number of elements is a lot smaller than the number of buckets
this function can be very inefficient as it has to search through empty
buckets for the next element, in order to return the iterator.
As a temporary workaround, the container has the method
<methodname>erase_return_void</methodname> which will be faster.
</para>
</notes>
</method>
<method name="erase">
<parameter name="k">
@@ -494,6 +503,27 @@ file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
<para>In this implementation, this overload doesn't call either function object's methods so it is no throw, but this might not be true in other implementations.</para>
</throws>
</method>
<method name="erase_return_void">
<parameter name="position">
<paramtype>const_iterator</paramtype>
</parameter>
<type>iterator</type>
<description>
<para>Erase the element pointed to by <code>position</code>.</para>
</description>
<throws>
<para>Only throws an exception if it is thrown by <code>hasher</code> or <code>key_equal</code>.</para>
<para>In this implementation, this overload doesn't call either function object's methods so it is no throw, but this might not be true in other implementations.</para>
</throws>
<notes>
<para>
This is a temporary workaround for the inefficient
<methodname>erase</methodname> method. Hopefully, in a future
version the signature of <methodname>erase</methodname> will
be changed and this will be deprecated.
</para>
</notes>
</method>
<method name="clear">
<type>void</type>
<description>
@@ -1252,6 +1282,15 @@ file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
<para>Only throws an exception if it is thrown by <code>hasher</code> or <code>key_equal</code>.</para>
<para>In this implementation, this overload doesn't call either function object's methods so it is no throw, but this might not be true in other implementations.</para>
</throws>
<notes>
<para>
When the number of elements is a lot smaller than the number of buckets
this function can be very inefficient as it has to search through empty
buckets for the next element, in order to return the iterator.
As a temporary workaround, the container has the method
<methodname>erase_return_void</methodname> which will be faster.
</para>
</notes>
</method>
<method name="erase">
<parameter name="k">
@@ -1287,6 +1326,27 @@ file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
<para>In this implementation, this overload doesn't call either function object's methods so it is no throw, but this might not be true in other implementations.</para>
</throws>
</method>
<method name="erase_return_void">
<parameter name="position">
<paramtype>const_iterator</paramtype>
</parameter>
<type>iterator</type>
<description>
<para>Erase the element pointed to by <code>position</code>.</para>
</description>
<throws>
<para>Only throws an exception if it is thrown by <code>hasher</code> or <code>key_equal</code>.</para>
<para>In this implementation, this overload doesn't call either function object's methods so it is no throw, but this might not be true in other implementations.</para>
</throws>
<notes>
<para>
This is a temporary workaround for the inefficient
<methodname>erase</methodname> method. Hopefully, in a future
version the signature of <methodname>erase</methodname> will
be changed and this will be deprecated.
</para>
</notes>
</method>
<method name="clear">
<type>void</type>
<description>
@@ -2059,6 +2119,15 @@ file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
<para>Only throws an exception if it is thrown by <code>hasher</code> or <code>key_equal</code>.</para>
<para>In this implementation, this overload doesn't call either function object's methods so it is no throw, but this might not be true in other implementations.</para>
</throws>
<notes>
<para>
When the number of elements is a lot smaller than the number of buckets
this function can be very inefficient as it has to search through empty
buckets for the next element, in order to return the iterator.
As a temporary workaround, the container has the method
<methodname>erase_return_void</methodname> which will be faster.
</para>
</notes>
</method>
<method name="erase">
<parameter name="k">
@@ -2094,6 +2163,27 @@ file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
<para>In this implementation, this overload doesn't call either function object's methods so it is no throw, but this might not be true in other implementations.</para>
</throws>
</method>
<method name="erase_return_void">
<parameter name="position">
<paramtype>const_iterator</paramtype>
</parameter>
<type>iterator</type>
<description>
<para>Erase the element pointed to by <code>position</code>.</para>
</description>
<throws>
<para>Only throws an exception if it is thrown by <code>hasher</code> or <code>key_equal</code>.</para>
<para>In this implementation, this overload doesn't call either function object's methods so it is no throw, but this might not be true in other implementations.</para>
</throws>
<notes>
<para>
This is a temporary workaround for the inefficient
<methodname>erase</methodname> method. Hopefully, in a future
version the signature of <methodname>erase</methodname> will
be changed and this will be deprecated.
</para>
</notes>
</method>
<method name="clear">
<type>void</type>
<description>
@@ -2901,6 +2991,15 @@ file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
<para>Only throws an exception if it is thrown by <code>hasher</code> or <code>key_equal</code>.</para>
<para>In this implementation, this overload doesn't call either function object's methods so it is no throw, but this might not be true in other implementations.</para>
</throws>
<notes>
<para>
When the number of elements is a lot smaller than the number of buckets
this function can be very inefficient as it has to search through empty
buckets for the next element, in order to return the iterator.
As a temporary workaround, the container has the method
<methodname>erase_return_void</methodname> which will be faster.
</para>
</notes>
</method>
<method name="erase">
<parameter name="k">
@@ -2936,6 +3035,27 @@ file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
<para>In this implementation, this overload doesn't call either function object's methods so it is no throw, but this might not be true in other implementations.</para>
</throws>
</method>
<method name="erase_return_void">
<parameter name="position">
<paramtype>const_iterator</paramtype>
</parameter>
<type>iterator</type>
<description>
<para>Erase the element pointed to by <code>position</code>.</para>
</description>
<throws>
<para>Only throws an exception if it is thrown by <code>hasher</code> or <code>key_equal</code>.</para>
<para>In this implementation, this overload doesn't call either function object's methods so it is no throw, but this might not be true in other implementations.</para>
</throws>
<notes>
<para>
This is a temporary workaround for the inefficient
<methodname>erase</methodname> method. Hopefully, in a future
version the signature of <methodname>erase</methodname> will
be changed and this will be deprecated.
</para>
</notes>
</method>
<method name="clear">
<type>void</type>
<description>