forked from boostorg/array
70 lines
3.2 KiB
HTML
70 lines
3.2 KiB
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<TITLE>array3.cpp</TITLE>
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<BODY TEXT="#000000" BGCOLOR="#FFFFFF">
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<TABLE HEIGHT=40 WIDTH="100%">
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<TR> <TD ALIGN=LEFT WIDTH="100%" BGCOLOR="#DDDDDD">
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<FONT face="Arial,Helvetica" size=+2><B>
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array3.cpp
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</B></FONT>
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</TD></TR></TABLE><BR>
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<BR><BR>
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<TT>
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<SPAN class="Source">
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<Font color="0000FF" >/</FONT><I><FONT face="Arial,Helvetica,sans-serif" color="0000FF" >* example for using class array<></FONT></I><BR>
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<I><FONT face="Arial,Helvetica,sans-serif" color="0000FF" >*/</FONT></I><BR>
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#include <string><BR>
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#include <iostream><BR>
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#include <<A href="./array.hpp.html">boost/array.hpp</A>><BR>
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<BR>
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template <class T><BR>
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void print_elements (const T& x);<BR>
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<BR>
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int main()<BR>
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{<BR>
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<I><FONT face="Arial,Helvetica,sans-serif" color="0000FF" >// create array of four seasons</FONT></I><BR>
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boost::array<std::string,4> seasons = {<BR>
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{ "spring", "summer", "autumn", "winter" }<BR>
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};<BR>
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<BR>
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<I><FONT face="Arial,Helvetica,sans-serif" color="0000FF" >// copy and change order</FONT></I><BR>
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boost::array<std::string,4> seasons_orig = seasons;<BR>
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for (unsigned i=seasons.size()-1; i>0; --i) {<BR>
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swap(seasons.at(i),seasons.at((i+1)%seasons.size()));<BR>
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}<BR>
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<BR>
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std::cout << "one way: ";<BR>
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print_elements(seasons);<BR>
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<BR>
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<I><FONT face="Arial,Helvetica,sans-serif" color="0000FF" >// try swap()</FONT></I><BR>
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std::cout << "other way: ";<BR>
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swap(seasons,seasons_orig);<BR>
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print_elements(seasons);<BR>
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<BR>
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<I><FONT face="Arial,Helvetica,sans-serif" color="0000FF" >// try reverse iterators</FONT></I><BR>
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std::cout << "reverse: ";<BR>
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for (boost::array<std::string,4>::reverse_iterator pos<BR>
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=seasons.rbegin(); pos<seasons.rend(); ++pos) {<BR>
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std::cout << " " << *pos;<BR>
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}<BR>
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std::cout << std::endl;<BR>
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}<BR>
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<BR>
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template <class T><BR>
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void print_elements (const T& x)<BR>
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{<BR>
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for (unsigned i=0; i<x.size(); ++i) {<BR>
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std::cout << " " << x[i];<BR>
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}<BR>
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std::cout << std::endl;<BR>
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}<BR>
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<BR>
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</SPAN>
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</TT>
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</BODY>
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</HTML>
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