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[SVN r16827]
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Beman Dawes
2003-01-09 13:37:41 +00:00
parent d36a215554
commit 8eaf187dbd
3 changed files with 16 additions and 13 deletions
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scoped_array.htm
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@ -14,9 +14,10 @@
<p>The <b>scoped_array</b> template is a simple solution for simple needs. It
supplies a basic "resource acquisition is initialization" facility, without
shared-ownership or transfer-of-ownership semantics. Both its name and
enforcement of semantics (by being <a href="../utility/utility.htm#class noncopyable">
noncopyable</a>) signal its intent to retain ownership solely within the
current scope. Because it is <a href="../utility/utility.htm#class noncopyable">noncopyable</a>,
enforcement of semantics (by being
<a href="../utility/utility.htm#Class_noncopyable">noncopyable</a>) signal its intent to retain ownership solely within the
current scope. Because it is
<a href="../utility/utility.htm#Class_noncopyable">noncopyable</a>,
it is safer than <b>shared_array</b> for pointers which should not be copied.</p>
<p>Because <b>scoped_array</b> is so simple, in its usual implementation every
operation is as fast as a built-in array pointer and it has no more space

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scoped_ptr.htm
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@ -14,9 +14,10 @@
<p>The <b>scoped_ptr</b> template is a simple solution for simple needs. It
supplies a basic "resource acquisition is initialization" facility, without
shared-ownership or transfer-of-ownership semantics. Both its name and
enforcement of semantics (by being <a href="../utility/utility.htm#class noncopyable">
noncopyable</a>) signal its intent to retain ownership solely within the
current scope. Because it is <a href="../utility/utility.htm#class noncopyable">noncopyable</a>,
enforcement of semantics (by being
<a href="../utility/utility.htm#Class_noncopyable">noncopyable</a>) signal its intent to retain ownership solely within the
current scope. Because it is
<a href="../utility/utility.htm#Class_noncopyable">noncopyable</a>,
it is safer than <b>shared_ptr</b> or <b>std::auto_ptr</b> for pointers which
should not be copied.</p>
<p>Because <b>scoped_ptr</b> is simple, in its usual implementation every operation

15
shared_array.htm
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@ -97,7 +97,7 @@
a pointer with a value of 0 is harmless. <b>T</b> need not be a complete type.
The guarantee that this does not throw exceptions depends on the requirement
that the deleted object's destructor does not throw exceptions. See the smart
pointer <a href="smart_ptr.htm#Common requirements">common requirements</a>.</p>
pointer <a href="smart_ptr.htm#common_requirements">common requirements</a>.</p>
<h3><a name="operator=">assignment</a></h3>
<pre>shared_array &amp; <a href="#assignment">operator=</a>(shared_array const &amp; r); // never throws</pre>
<p>Constructs a new <b>shared_array</b> as described <a href="#constructors">above</a>,
@ -124,16 +124,16 @@
<h3><a name="get">get</a></h3>
<pre>T * get() const; // never throws</pre>
<p>Returns the stored pointer. <b>T</b> need not be a complete type. See the smart
pointer <a href="smart_ptr.htm#Common requirements">common requirements</a>.</p>
pointer <a href="smart_ptr.htm#common_requirements">common requirements</a>.</p>
<h3><a name="unique">unique</a></h3>
<pre>bool unique() const; // never throws</pre>
<p>Returns true if no other <b>shared_array</b> is sharing ownership of the stored
pointer, false otherwise. <b>T</b> need not be a complete type. See the smart
pointer <a href="smart_ptr.htm#Common requirements">common requirements</a>.</p>
pointer <a href="smart_ptr.htm#common_requirements">common requirements</a>.</p>
<h3><a name="use_count">use_count</a></h3>
<pre>long use_count() const; // never throws</pre>
<p>Returns the number of <b>shared_array</b> objects sharing ownership of the
stored pointer. <b>T</b> need not be a complete type. See the smart pointer <a href="smart_ptr.htm#Common requirements">
stored pointer. <b>T</b> need not be a complete type. See the smart pointer <a href="smart_ptr.htm#common_requirements">
common requirements</a>.</p>
<p>Because <b>use_count</b> is not necessarily efficient to implement for
implementations of <b>shared_array</b> that do not use an explicit reference
@ -142,7 +142,7 @@
<h3><a name="swap">swap</a></h3>
<pre>void swap(shared_ptr &amp; b); // never throws</pre>
<p>Exchanges the contents of the two smart pointers. <b>T</b> need not be a
complete type. See the smart pointer <a href="smart_ptr.htm#Common requirements">common
complete type. See the smart pointer <a href="smart_ptr.htm#common_requirements">common
requirements</a>.</p>
<h2><a name="functions">Free Functions</a></h2>
<h3><a name="comparison">comparison</a></h3>
@ -153,7 +153,7 @@ template&lt;class T&gt;
template&lt;class T&gt;
bool operator&lt;(shared_array&lt;T&gt; const &amp; a, shared_array&lt;T&gt; const &amp; b); // never throws</pre>
<p>Compares the stored pointers of the two smart pointers. <b>T</b> need not be a
complete type. See the smart pointer <a href="smart_ptr.htm#Common requirements">common
complete type. See the smart pointer <a href="smart_ptr.htm#common_requirements">common
requirements</a>.</p>
<p>The <b>operator&lt;</b> overload is provided to define an ordering so that <b>shared_array</b>
objects can be used in associative containers such as <b>std::map</b>. The
@ -168,7 +168,8 @@ template&lt;class T&gt;
<p>Equivalent to <b>a.swap(b)</b>. Matches the interface of <b>std::swap</b>.
Provided as an aid to generic programming.</p>
<hr>
<p>Revised <!--webbot bot="Timestamp" S-Type="EDITED" S-Format="%d %B %Y" startspan -->09 January 2003<!--webbot bot="Timestamp" i-checksum="32310" endspan --></p>
<p>Revised
<!--webbot bot="Timestamp" S-Type="EDITED" S-Format="%d %B %Y" startspan -->09 January 2003<!--webbot bot="Timestamp" endspan i-checksum="32310" --></p>
<p>Copyright 1999 Greg Colvin and Beman Dawes. Copyright 2002 Darin Adler.
Permission to copy, use, modify, sell and distribute this document is granted
provided this copyright notice appears in all copies. This document is provided