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28 New, Delete, Casts
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29 </h3></div></div></div>
31 You'll probably want to work with objects. There are lazy versions of constructor
32 calls,
<code class=
"computeroutput"><span class=
"keyword">new
</span></code>,
<code class=
"computeroutput"><span class=
"keyword">delete
</span></code>
33 and the suite of C++ casts. Examples:
35 <pre class=
"programlisting"><span class=
"identifier">construct
</span><span class=
"special"><</span><span class=
"identifier">std
</span><span class=
"special">::
</span><span class=
"identifier">string
</span><span class=
"special">>(
</span><span class=
"identifier">arg1
</span><span class=
"special">,
</span> <span class=
"identifier">arg2
</span><span class=
"special">)
</span> <span class=
"comment">// constructs a std::string from arg1, arg2
</span>
36 <span class=
"identifier">new_
</span><span class=
"special"><</span><span class=
"identifier">std
</span><span class=
"special">::
</span><span class=
"identifier">string
</span><span class=
"special">>(
</span><span class=
"identifier">arg1
</span><span class=
"special">,
</span> <span class=
"identifier">arg2
</span><span class=
"special">)
</span> <span class=
"comment">// makes a new std::string from arg1, arg2
</span>
37 <span class=
"identifier">delete_
</span><span class=
"special">(
</span><span class=
"identifier">arg1
</span><span class=
"special">)
</span> <span class=
"comment">// deletes arg1 (assumed to be a pointer)
</span>
38 <span class=
"identifier">static_cast_
</span><span class=
"special"><</span><span class=
"keyword">int
</span><span class=
"special">*
>(
</span><span class=
"identifier">arg1
</span><span class=
"special">)
</span> <span class=
"comment">// static_cast's arg1 to an int*
</span>
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</th>
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46 Take note that, by convention, names that conflict with C++ reserved words
47 are appended with a single trailing underscore
<code class=
"computeroutput"><span class=
"char">'_'
</span></code>
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54 Learn more about this
<a class=
"link" href=
"../modules/object.html" title=
"Object">here.
</a>
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© 2002-
2005,
2010,
2014,
2015 Joel de Guzman, Dan Marsden, Thomas
61 Heller, John Fletcher
<p>
62 Distributed under the Boost Software License, Version
1.0. (See accompanying
63 file LICENSE_1_0.txt or copy at
<a href=
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