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Fix enable_shared_from_this example. Refs #3404.

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[SVN r57950]
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Peter Dimov
2009-11-26 20:11:05 +00:00
parent 030a848c5f
commit c97eebabf7
1 changed files with 9 additions and 5 deletions
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14
enable_shared_from_this.html
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@ -29,20 +29,24 @@
and <STRONG>shared_ptr&lt;T const&gt;</STRONG>, depending on constness, to <STRONG>this</STRONG>.</P> and <STRONG>shared_ptr&lt;T const&gt;</STRONG>, depending on constness, to <STRONG>this</STRONG>.</P>
<h3><a name="Example">Example</a></h3> <h3><a name="Example">Example</a></h3>
<pre> <pre>
class Y: public enable_shared_from_this&lt;Y&gt; #include &lt;boost/enable_shared_from_this.hpp&gt;
#include &lt;boost/shared_ptr.hpp&gt;
#include &lt;cassert&gt;
class Y: public boost::enable_shared_from_this&lt;Y&gt;
{ {
public: public:
shared_ptr&lt;Y&gt; f() boost::shared_ptr&lt;Y&gt; f()
{ {
return shared_from_this(); return shared_from_this();
} }
} };
int main() int main()
{ {
shared_ptr&lt;Y&gt; p(new Y); boost::shared_ptr&lt;Y&gt; p(new Y);
shared_ptr&lt;Y&gt; q = p-&gt;f(); boost::shared_ptr&lt;Y&gt; q = p-&gt;f();
assert(p == q); assert(p == q);
assert(!(p &lt; q || q &lt; p)); // p and q must share ownership assert(!(p &lt; q || q &lt; p)); // p and q must share ownership
} }