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diff --git a/doc/html/boost/container/constructible__idp46150320.html b/doc/html/boost/container/constructible__idp46150320.html new file mode 100644 index 0000000000..971d5a8458 --- /dev/null +++ b/doc/html/boost/container/constructible__idp46150320.html @@ -0,0 +1,68 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> +<html> +<head> +<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> +<title>Struct template constructible_with_allocator_prefix</title> +<link rel="stylesheet" href="../../../../doc/src/boostbook.css" type="text/css"> +<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> +<link rel="home" href="../../index.html" title="The Boost C++ Libraries BoostBook Documentation Subset"> +<link rel="up" href="../../boost_container_header_reference.html#header.boost.container.uses_allocator_hpp" title="Header <boost/container/uses_allocator.hpp>"> +<link rel="prev" href="constructible__idp46140928.html" title="Struct template constructible_with_allocator_suffix"> +<link rel="next" href="uses_allocator.html" title="Struct template uses_allocator"> +</head> +<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> +<table cellpadding="2" width="100%"><tr> +<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../boost.png"></td> +<td align="center"><a href="../../../../index.html">Home</a></td> +<td align="center"><a href="../../../../libs/libraries.htm">Libraries</a></td> +<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> +<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> +<td align="center"><a href="../../../../more/index.htm">More</a></td> +</tr></table> +<hr> +<div class="spirit-nav"> +<a accesskey="p" href="constructible__idp46140928.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../boost_container_header_reference.html#header.boost.container.uses_allocator_hpp"><img src="../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="uses_allocator.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> +</div> +<div class="refentry"> +<a name="boost.container.constructible__idp46150320"></a><div class="titlepage"></div> +<div class="refnamediv"> +<h2><span class="refentrytitle">Struct template constructible_with_allocator_prefix</span></h2> +<p>boost::container::constructible_with_allocator_prefix</p> +</div> +<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2> +<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: <<a class="link" href="../../boost_container_header_reference.html#header.boost.container.uses_allocator_hpp" title="Header <boost/container/uses_allocator.hpp>">boost/container/uses_allocator.hpp</a>> + +</span><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">></span> +<span class="keyword">struct</span> <a class="link" href="constructible__idp46150320.html" title="Struct template constructible_with_allocator_prefix">constructible_with_allocator_prefix</a> <span class="special">{</span> + + <span class="comment">// public data members</span> + <span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">bool</span> <span class="identifier">value</span><span class="special">;</span> +<span class="special">}</span><span class="special">;</span></pre></div> +<div class="refsect1"> +<a name="idp203117248"></a><h2>Description</h2> +<p><span class="bold"><strong>Remark</strong></span>: if a specialization constructible_with_allocator_prefix<X>::value is true, indicates that T may be constructed with allocator_arg and T::allocator_type as its first two constructor arguments. Ideally, all constructors of T (including the copy and move constructors) should have a variant that accepts these two initial arguments.</p> +<p><span class="bold"><strong>Requires</strong></span>: specialization constructible_with_allocator_prefix<X>::value is true, T must have a nested type, allocator_type and at least one constructor for which allocator_arg_t is the first parameter and allocator_type is the second parameter. If not all constructors of T can be called with these initial arguments, and if T is used in a context where a container must call such a constructor, then the program is ill-formed.</p> +<p><code class="computeroutput"> template <class T, class Allocator = allocator<T> > class Y { public: typedef Allocator allocator_type;</code></p> +<p><code class="computeroutput"> // Default constructor with and allocator-extended default constructor Y(); Y(allocator_arg_t, const allocator_type& a);</code></p> +<p><code class="computeroutput"> // Copy constructor and allocator-extended copy constructor Y(const Y& yy); Y(allocator_arg_t, const allocator_type& a, const Y& yy);</code></p> +<p><code class="computeroutput"> // Variadic constructor and allocator-extended variadic constructor template<class ...Args> Y(Args&& args...); template<class ...Args> Y(allocator_arg_t, const allocator_type& a, BOOST_FWD_REF(Args)... args); };</code></p> +<p><code class="computeroutput">// Specialize trait for class template Y template <class T, class Allocator = allocator<T> > struct <a class="link" href="constructible__idp46150320.html" title="Struct template constructible_with_allocator_prefix">constructible_with_allocator_prefix</a><Y<T,Allocator> > { static const bool value = true; };</code></p> +<p><code class="computeroutput"></code></p> +<p><span class="bold"><strong>Note</strong></span>: This trait is a workaround inspired by "N2554: The Scoped Allocator Model (Rev 2)" (Pablo Halpern, 2008-02-29) to backport the scoped allocator model to C++03, as in C++03 there is no mechanism to detect if a type can be constructed from arbitrary arguments. Applications aiming portability with several compilers should always define this trait.</p> +<p>In conforming C++11 compilers or compilers supporting SFINAE expressions (when BOOST_NO_SFINAE_EXPR is NOT defined), this trait is ignored and C++11 rules will be used to detect if a type should be constructed with suffix or prefix allocator arguments. </p> +</div> +</div> +<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> +<td align="left"></td> +<td align="right"><div class="copyright-footer">Copyright © 2009-2015 Ion Gaztanaga<p> + Distributed under the Boost Software License, Version 1.0. (See accompanying + file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>) + </p> +</div></td> +</tr></table> +<hr> +<div class="spirit-nav"> +<a accesskey="p" href="constructible__idp46140928.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../boost_container_header_reference.html#header.boost.container.uses_allocator_hpp"><img src="../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="uses_allocator.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> +</div> +</body> +</html> |