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<title>Embracing the C++ STL</title>
<meta name=Description content="4/2/2002: Copying Containers">
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<td width=261 height=36><font face=Tahoma color="#CCFFFF" size=5>Copying
Containers</font><br>
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<td width=18 height=26><font face="Monotype Sorts" color="#0066FF" size=2>n</font></td>
<td width=390 height=26 colspan=8><font face=Tahoma size=4>The wrong way;
copy() can抰 add elems</font><br>
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<td width=343 height=14 colspan=5><font face="Courier New" size=1><b>copy(v.begin(),
v.end(), nv.begin()); </b></font><font face="Courier New" color="#33CC33"
size=1><b>// uh-oh</b></font><br>
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<td width=45 height=14 colspan=2></td>
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<td width=412 height=18 colspan=10></td>
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<td width=18 height=26><font face="Monotype Sorts" color="#0066FF" size=2>n</font></td>
<td width=152 height=26 colspan=3><font face=Tahoma size=4>Better and best</font><br>
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<td width=242 height=26 colspan=6></td>
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<td width=24 height=14 colspan=3></td>
<td width=329 height=14 colspan=4><font face="Courier New" size=1><b>nv.resize(v.size());
</b></font><font face="Courier New" color="#33CC33" size=1><b>// size of nv
matches v</b></font><br>
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<td width=59 height=14 colspan=3></td>
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<td width=412 height=4 colspan=10></td>
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<td width=24 height=14 colspan=3></td>
<td width=276 height=14 colspan=2><font face="Courier New" size=1><b>copy(v.begin(),
v.end(), nv.begin());</b></font><br>
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<td width=112 height=14 colspan=5></td>
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<td width=412 height=16 colspan=10></td>
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<td width=24 height=14 colspan=3></td>
<td width=329 height=14 colspan=4><font face="Courier New" size=1><b>copy(v.begin(),
v.end(), back_inserter(nv));</b></font><br>
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<td width=59 height=14 colspan=3></td>
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<td width=412 height=3 colspan=10></td>
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<td width=24 height=14 colspan=3></td>
<td width=321 height=14 colspan=3><font face="Courier New" size=1><b>copy(m.begin(),
m.end(), insert_iterator<T></b></font><br>
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<td width=67 height=14 colspan=4></td>
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<td width=412 height=3 colspan=10></td>
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<td width=24 height=14 colspan=3></td>
<td width=388 height=14 colspan=7><font face="Courier New" size=1><b><span
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