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<div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="context.cc.class__continuation_"></a><a class="link" href="class__continuation_.html" title="Class continuation">Class <code class="computeroutput"><span class="identifier">continuation</span></code></a>
</h3></div></div></div>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">context</span><span class="special">/</span><span class="identifier">continuation</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
<span class="keyword">class</span> <span class="identifier">continuation</span> <span class="special">{</span>
<span class="keyword">public</span><span class="special">:</span>
<span class="identifier">continuation</span><span class="special">()</span> <span class="keyword">noexcept</span> <span class="special">=</span> <span class="keyword">default</span><span class="special">;</span>
<span class="special">~</span><span class="identifier">continuation</span><span class="special">();</span>
<span class="identifier">continuation</span><span class="special">(</span><span class="identifier">continuation</span> <span class="special">&&</span> <span class="identifier">other</span><span class="special">)</span> <span class="keyword">noexcept</span><span class="special">;</span>
<span class="identifier">continuation</span> <span class="special">&</span> <span class="keyword">operator</span><span class="special">=(</span><span class="identifier">continuation</span> <span class="special">&&</span> <span class="identifier">other</span><span class="special">)</span> <span class="keyword">noexcept</span><span class="special">;</span>
<span class="identifier">continuation</span><span class="special">(</span><span class="identifier">continuation</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">other</span><span class="special">)</span> <span class="keyword">noexcept</span> <span class="special">=</span> <span class="keyword">delete</span><span class="special">;</span>
<span class="identifier">continuation</span> <span class="special">&</span> <span class="keyword">operator</span><span class="special">=(</span><span class="identifier">continuation</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">other</span><span class="special">)</span> <span class="keyword">noexcept</span> <span class="special">=</span> <span class="keyword">delete</span><span class="special">;</span>
<span class="identifier">continuation</span> <span class="identifier">resume</span><span class="special">();</span>
<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> <span class="identifier">Fn</span><span class="special">></span>
<span class="identifier">continuation</span> <span class="identifier">resume_with</span><span class="special">(</span><span class="identifier">Fn</span> <span class="special">&&</span> <span class="identifier">fn</span><span class="special">);</span>
<span class="keyword">explicit</span> <span class="keyword">operator</span> <span class="keyword">bool</span><span class="special">()</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span>
<span class="keyword">bool</span> <span class="keyword">operator</span><span class="special">!()</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span>
<span class="keyword">bool</span> <span class="keyword">operator</span><span class="special">==(</span><span class="identifier">continuation</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">other</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span>
<span class="keyword">bool</span> <span class="keyword">operator</span><span class="special">!=(</span><span class="identifier">continuation</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">other</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span>
<span class="keyword">bool</span> <span class="keyword">operator</span><span class="special"><(</span><span class="identifier">continuation</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">other</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span>
<span class="keyword">bool</span> <span class="keyword">operator</span><span class="special">>(</span><span class="identifier">continuation</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">other</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span>
<span class="keyword">bool</span> <span class="keyword">operator</span><span class="special"><=(</span><span class="identifier">continuation</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">other</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span>
<span class="keyword">bool</span> <span class="keyword">operator</span><span class="special">>=(</span><span class="identifier">continuation</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">other</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span>
<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> <span class="identifier">charT</span><span class="special">,</span><span class="keyword">class</span> <span class="identifier">traitsT</span><span class="special">></span>
<span class="keyword">friend</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ostream</span><span class="special"><</span><span class="identifier">charT</span><span class="special">,</span><span class="identifier">traitsT</span><span class="special">></span> <span class="special">&</span>
<span class="keyword">operator</span><span class="special"><<(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ostream</span><span class="special"><</span><span class="identifier">charT</span><span class="special">,</span><span class="identifier">traitsT</span><span class="special">></span> <span class="special">&</span> <span class="identifier">os</span><span class="special">,</span><span class="identifier">continuation</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">other</span><span class="special">)</span> <span class="special">{</span>
<span class="keyword">void</span> <span class="identifier">swap</span><span class="special">(</span><span class="identifier">continuation</span> <span class="special">&</span> <span class="identifier">other</span><span class="special">)</span> <span class="keyword">noexcept</span><span class="special">;</span>
<span class="special">};</span>
</pre>
<p>
</p>
<h5>
<a name="cc_constructor_bridgehead"></a>
<span><a name="cc_constructor"></a></span>
<a class="link" href="class__continuation_.html#cc_constructor">Constructor</a>
</h5>
<p>
</p>
<pre class="programlisting"><span class="identifier">continuation</span><span class="special">()</span> <span class="keyword">noexcept</span><span class="special">;</span>
</pre>
<div class="variablelist">
<p class="title"><b></b></p>
<dl>
<dt><span class="term">Effects:</span></dt>
<dd><p>
Creates a invalid continuation.
</p></dd>
<dt><span class="term">Throws:</span></dt>
<dd><p>
Nothing.
</p></dd>
</dl>
</div>
<p>
</p>
<h5>
<a name="cc_destructor%20destructor_bridgehead"></a>
<span><a name="cc_destructor%20destructor"></a></span>
<a class="link" href="class__continuation_.html#cc_destructor%20destructor">Destructor</a>
</h5>
<p>
</p>
<pre class="programlisting"><span class="special">~</span><span class="identifier">continuation</span><span class="special">();</span>
</pre>
<div class="variablelist">
<p class="title"><b></b></p>
<dl>
<dt><span class="term">Effects:</span></dt>
<dd><p>
Destructs the associated stack if <code class="computeroutput"><span class="special">*</span><span class="keyword">this</span></code> is a valid continuation, e.g.
<span class="emphasis"><em>continuation::operator bool()</em></span> returns <code class="computeroutput"><span class="keyword">true</span></code>.
</p></dd>
<dt><span class="term">Throws:</span></dt>
<dd><p>
Nothing.
</p></dd>
</dl>
</div>
<p>
</p>
<h5>
<a name="cc_move%20constructor_bridgehead"></a>
<span><a name="cc_move%20constructor"></a></span>
<a class="link" href="class__continuation_.html#cc_move%20constructor">Move
constructor</a>
</h5>
<p>
</p>
<pre class="programlisting"><span class="identifier">continuation</span><span class="special">(</span><span class="identifier">continuation</span> <span class="special">&&</span> <span class="identifier">other</span><span class="special">)</span> <span class="keyword">noexcept</span><span class="special">;</span>
</pre>
<div class="variablelist">
<p class="title"><b></b></p>
<dl>
<dt><span class="term">Effects:</span></dt>
<dd><p>
Moves underlying capture continuation to <code class="computeroutput"><span class="special">*</span><span class="keyword">this</span></code>.
</p></dd>
<dt><span class="term">Throws:</span></dt>
<dd><p>
Nothing.
</p></dd>
</dl>
</div>
<p>
</p>
<h5>
<a name="cc_move%20assignment_bridgehead"></a>
<span><a name="cc_move%20assignment"></a></span>
<a class="link" href="class__continuation_.html#cc_move%20assignment">Move assignment
operator</a>
</h5>
<p>
</p>
<pre class="programlisting"><span class="identifier">continuation</span> <span class="special">&</span> <span class="keyword">operator</span><span class="special">=(</span><span class="identifier">continuation</span> <span class="special">&&</span> <span class="identifier">other</span><span class="special">)</span> <span class="keyword">noexcept</span><span class="special">;</span>
</pre>
<div class="variablelist">
<p class="title"><b></b></p>
<dl>
<dt><span class="term">Effects:</span></dt>
<dd><p>
Moves the state of <code class="computeroutput"><span class="identifier">other</span></code>
to <code class="computeroutput"><span class="special">*</span><span class="keyword">this</span></code>
using move semantics.
</p></dd>
<dt><span class="term">Throws:</span></dt>
<dd><p>
Nothing.
</p></dd>
</dl>
</div>
<p>
</p>
<h5>
<a name="cc_operator_call_bridgehead"></a>
<span><a name="cc_operator_call"></a></span>
<a class="link" href="class__continuation_.html#cc_operator_call">Member function
<code class="computeroutput">operator()</code>()</a>
</h5>
<p>
</p>
<pre class="programlisting"><span class="identifier">continuation</span> <span class="identifier">resume</span><span class="special">();</span>
<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> <span class="identifier">Fn</span><span class="special">></span>
<span class="identifier">continuation</span> <span class="identifier">resume_with</span><span class="special">(</span><span class="identifier">Fn</span> <span class="special">&&</span> <span class="identifier">fn</span><span class="special">);</span>
</pre>
<div class="variablelist">
<p class="title"><b></b></p>
<dl>
<dt><span class="term">Effects:</span></dt>
<dd><p>
Captures current continuation and resumes <code class="computeroutput"><span class="special">*</span><span class="keyword">this</span></code>. The function <code class="computeroutput"><span class="identifier">resume_with</span></code>,
is used to execute function <code class="computeroutput"><span class="identifier">fn</span></code>
in the execution context of <code class="computeroutput"><span class="special">*</span><span class="keyword">this</span></code> (e.g. the stack frame of <code class="computeroutput"><span class="identifier">fn</span></code> is allocated on stack of <code class="computeroutput"><span class="special">*</span><span class="keyword">this</span></code>).
</p></dd>
<dt><span class="term">Returns:</span></dt>
<dd><p>
The continuation representing the continuation that has been suspended.
</p></dd>
<dt><span class="term">Note:</span></dt>
<dd><p>
Function <code class="computeroutput"><span class="identifier">fn</span></code> needs to
return <code class="computeroutput"><span class="identifier">continuation</span></code>.
</p></dd>
<dt><span class="term">Note:</span></dt>
<dd><p>
The returned continuation indicates if the suspended continuation has
terminated (return from context-function) via <code class="computeroutput"><span class="keyword">bool</span>
<span class="keyword">operator</span><span class="special">()</span></code>.
</p></dd>
</dl>
</div>
<p>
</p>
<h5>
<a name="cc_operator_bool_bridgehead"></a>
<span><a name="cc_operator_bool"></a></span>
<a class="link" href="class__continuation_.html#cc_operator_bool">Member function
<code class="computeroutput">operator bool</code>()</a>
</h5>
<p>
</p>
<pre class="programlisting"><span class="keyword">explicit</span> <span class="keyword">operator</span> <span class="keyword">bool</span><span class="special">()</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span>
</pre>
<div class="variablelist">
<p class="title"><b></b></p>
<dl>
<dt><span class="term">Returns:</span></dt>
<dd><p>
<code class="computeroutput"><span class="keyword">true</span></code> if <code class="computeroutput"><span class="special">*</span><span class="keyword">this</span></code>
points to a captured continuation.
</p></dd>
<dt><span class="term">Throws:</span></dt>
<dd><p>
Nothing.
</p></dd>
</dl>
</div>
<p>
</p>
<h5>
<a name="cc_operator_not_bridgehead"></a>
<span><a name="cc_operator_not"></a></span>
<a class="link" href="class__continuation_.html#cc_operator_not">Member function <code class="computeroutput">operator!</code>()</a>
</h5>
<p>
</p>
<pre class="programlisting"><span class="keyword">bool</span> <span class="keyword">operator</span><span class="special">!()</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span>
</pre>
<div class="variablelist">
<p class="title"><b></b></p>
<dl>
<dt><span class="term">Returns:</span></dt>
<dd><p>
<code class="computeroutput"><span class="keyword">true</span></code> if <code class="computeroutput"><span class="special">*</span><span class="keyword">this</span></code>
does not point to a captured continuation.
</p></dd>
<dt><span class="term">Throws:</span></dt>
<dd><p>
Nothing.
</p></dd>
</dl>
</div>
<p>
</p>
<h5>
<a name="cc_operator_equal_bridgehead"></a>
<span><a name="cc_operator_equal"></a></span>
<a class="link" href="class__continuation_.html#cc_operator_equal">Member function
<code class="computeroutput">operator==</code>()</a>
</h5>
<p>
</p>
<pre class="programlisting"><span class="keyword">bool</span> <span class="keyword">operator</span><span class="special">==(</span><span class="identifier">continuation</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">other</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span>
</pre>
<div class="variablelist">
<p class="title"><b></b></p>
<dl>
<dt><span class="term">Returns:</span></dt>
<dd><p>
<code class="computeroutput"><span class="keyword">true</span></code> if <code class="computeroutput"><span class="special">*</span><span class="keyword">this</span></code>
and <code class="computeroutput"><span class="identifier">other</span></code> represent
the same continuation, <code class="computeroutput"><span class="keyword">false</span></code>
otherwise.
</p></dd>
<dt><span class="term">Throws:</span></dt>
<dd><p>
Nothing.
</p></dd>
</dl>
</div>
<p>
</p>
<h5>
<a name="cc_operator_notequal_bridgehead"></a>
<span><a name="cc_operator_notequal"></a></span>
<a class="link" href="class__continuation_.html#cc_operator_notequal">Member
function <code class="computeroutput">operator!=</code>()</a>
</h5>
<p>
</p>
<pre class="programlisting"><span class="keyword">bool</span> <span class="keyword">operator</span><span class="special">!=(</span><span class="identifier">continuation</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">other</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span>
</pre>
<div class="variablelist">
<p class="title"><b></b></p>
<dl>
<dt><span class="term">Returns:</span></dt>
<dd><p>
<code class="computeroutput">! (other == * this)</code>
</p></dd>
<dt><span class="term">Throws:</span></dt>
<dd><p>
Nothing.
</p></dd>
</dl>
</div>
<p>
</p>
<h5>
<a name="cc_operator_less_bridgehead"></a>
<span><a name="cc_operator_less"></a></span>
<a class="link" href="class__continuation_.html#cc_operator_less">Member function
<code class="computeroutput">operator<</code>()</a>
</h5>
<p>
</p>
<pre class="programlisting"><span class="keyword">bool</span> <span class="keyword">operator</span><span class="special"><(</span><span class="identifier">continuation</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">other</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span>
</pre>
<div class="variablelist">
<p class="title"><b></b></p>
<dl>
<dt><span class="term">Returns:</span></dt>
<dd><p>
<code class="computeroutput"><span class="keyword">true</span></code> if <code class="computeroutput"><span class="special">*</span><span class="keyword">this</span> <span class="special">!=</span> <span class="identifier">other</span></code>
is true and the implementation-defined total order of <code class="computeroutput"><span class="identifier">continuation</span></code> values places <code class="computeroutput"><span class="special">*</span><span class="keyword">this</span></code>
before <code class="computeroutput"><span class="identifier">other</span></code>, false
otherwise.
</p></dd>
<dt><span class="term">Throws:</span></dt>
<dd><p>
Nothing.
</p></dd>
</dl>
</div>
<p>
</p>
<h5>
<a name="cc_operator_greater_bridgehead"></a>
<span><a name="cc_operator_greater"></a></span>
<a class="link" href="class__continuation_.html#cc_operator_greater">Member
function <code class="computeroutput">operator></code>()</a>
</h5>
<p>
</p>
<pre class="programlisting"><span class="keyword">bool</span> <span class="keyword">operator</span><span class="special">>(</span><span class="identifier">continuation</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">other</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span>
</pre>
<div class="variablelist">
<p class="title"><b></b></p>
<dl>
<dt><span class="term">Returns:</span></dt>
<dd><p>
<code class="computeroutput"><span class="identifier">other</span> <span class="special"><</span>
<span class="special">*</span> <span class="keyword">this</span></code>
</p></dd>
<dt><span class="term">Throws:</span></dt>
<dd><p>
Nothing.
</p></dd>
</dl>
</div>
<p>
</p>
<h5>
<a name="cc_operator_lesseq_bridgehead"></a>
<span><a name="cc_operator_lesseq"></a></span>
<a class="link" href="class__continuation_.html#cc_operator_lesseq">Member function
<code class="computeroutput">operator<=</code>()</a>
</h5>
<p>
</p>
<pre class="programlisting"><span class="keyword">bool</span> <span class="keyword">operator</span><span class="special"><=(</span><span class="identifier">continuation</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">other</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span>
</pre>
<div class="variablelist">
<p class="title"><b></b></p>
<dl>
<dt><span class="term">Returns:</span></dt>
<dd><p>
<code class="computeroutput"><span class="special">!</span> <span class="special">(</span><span class="identifier">other</span> <span class="special"><</span>
<span class="special">*</span> <span class="keyword">this</span><span class="special">)</span></code>
</p></dd>
<dt><span class="term">Throws:</span></dt>
<dd><p>
Nothing.
</p></dd>
</dl>
</div>
<p>
</p>
<h5>
<a name="cc_operator_greatereq_bridgehead"></a>
<span><a name="cc_operator_greatereq"></a></span>
<a class="link" href="class__continuation_.html#cc_operator_greatereq">Member
function <code class="computeroutput">operator>=</code>()</a>
</h5>
<p>
</p>
<pre class="programlisting"><span class="keyword">bool</span> <span class="keyword">operator</span><span class="special">>=(</span><span class="identifier">continuation</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">other</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span>
</pre>
<div class="variablelist">
<p class="title"><b></b></p>
<dl>
<dt><span class="term">Returns:</span></dt>
<dd><p>
<code class="computeroutput"><span class="special">!</span> <span class="special">(*</span>
<span class="keyword">this</span> <span class="special"><</span>
<span class="identifier">other</span><span class="special">)</span></code>
</p></dd>
<dt><span class="term">Throws:</span></dt>
<dd><p>
Nothing.
</p></dd>
</dl>
</div>
<p>
</p>
<h5>
<a name="cc__bridgehead"></a>
<span><a name="cc_"></a></span>
<a class="link" href="class__continuation_.html#cc_">Non-member function <code class="computeroutput">operator<<()</code></a>
</h5>
<p>
</p>
<pre class="programlisting"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> <span class="identifier">charT</span><span class="special">,</span><span class="keyword">class</span> <span class="identifier">traitsT</span><span class="special">></span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ostream</span><span class="special"><</span><span class="identifier">charT</span><span class="special">,</span><span class="identifier">traitsT</span><span class="special">></span> <span class="special">&</span>
<span class="keyword">operator</span><span class="special"><<(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ostream</span><span class="special"><</span><span class="identifier">charT</span><span class="special">,</span><span class="identifier">traitsT</span><span class="special">></span> <span class="special">&</span> <span class="identifier">os</span><span class="special">,</span><span class="identifier">continuation</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">other</span><span class="special">);</span>
</pre>
<div class="variablelist">
<p class="title"><b></b></p>
<dl>
<dt><span class="term">Effects:</span></dt>
<dd><p>
Writes the representation of <code class="computeroutput"><span class="identifier">other</span></code>
to stream <code class="computeroutput"><span class="identifier">os</span></code>.
</p></dd>
<dt><span class="term">Returns:</span></dt>
<dd><p>
<code class="computeroutput"><span class="identifier">os</span></code>
</p></dd>
</dl>
</div>
<h5>
<a name="context.cc.class__continuation_.h0"></a>
<span><a name="context.cc.class__continuation_.call_with_current_continuation"></a></span><a class="link" href="class__continuation_.html#context.cc.class__continuation_.call_with_current_continuation">Call
with current continuation</a>
</h5>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">context</span><span class="special">/</span><span class="identifier">continuation</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> <span class="identifier">Fn</span><span class="special">></span>
<span class="identifier">continuation</span> <span class="identifier">callcc</span><span class="special">(</span><span class="identifier">Fn</span> <span class="special">&&</span> <span class="identifier">fn</span><span class="special">);</span>
<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> <span class="identifier">StackAlloc</span><span class="special">,</span><span class="keyword">typename</span> <span class="identifier">Fn</span><span class="special">></span>
<span class="identifier">continuation</span> <span class="identifier">callcc</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator_arg_t</span><span class="special">,</span><span class="identifier">StackAlloc</span> <span class="identifier">salloc</span><span class="special">,</span><span class="identifier">Fn</span> <span class="special">&&</span> <span class="identifier">fn</span><span class="special">);</span>
<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> <span class="identifier">StackAlloc</span><span class="special">,</span><span class="keyword">typename</span> <span class="identifier">Fn</span><span class="special">></span>
<span class="identifier">continuation</span> <span class="identifier">callcc</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator_arg_t</span><span class="special">,</span><span class="identifier">preallocated</span> <span class="identifier">palloc</span><span class="special">,</span><span class="identifier">StackAlloc</span> <span class="identifier">salloc</span><span class="special">,</span><span class="identifier">Fn</span> <span class="special">&&</span> <span class="identifier">fn</span><span class="special">);</span>
</pre>
<div class="variablelist">
<p class="title"><b></b></p>
<dl>
<dt><span class="term">Effects:</span></dt>
<dd><p>
Captures current continuation and creates a new continuation prepared
to execute <code class="computeroutput"><span class="identifier">fn</span></code>. <code class="computeroutput"><span class="identifier">fixedsize_stack</span></code> is used as default
stack allocator (stack size == fixedsize_stack::traits::default_size()).
The function with argument type <code class="computeroutput"><span class="identifier">preallocated</span></code>,
is used to create a user defined data <a class="link" href="../cc.html#cc_prealloc">(for
instance additional control structures)</a> on top of the stack.
</p></dd>
<dt><span class="term">Returns:</span></dt>
<dd><p>
The continuation representing the contexcontinuation that has been
suspended.
</p></dd>
<dt><span class="term">Note:</span></dt>
<dd><p>
The returned continuation indicates if the suspended continuation has
terminated (return from context-function) via <code class="computeroutput"><span class="keyword">bool</span>
<span class="keyword">operator</span><span class="special">()</span></code>.
</p></dd>
</dl>
</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 © 2014 Oliver Kowalke<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>
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