forked from boostorg/array
68 lines
4.0 KiB
HTML
68 lines
4.0 KiB
HTML
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<HTML>
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<HEAD>
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<TITLE>array1.cpp</TITLE>
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</HEAD>
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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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array1.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" >* simple 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 <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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int main()<BR>
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{<BR>
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<I><FONT face="Arial,Helvetica,sans-serif" color="0000FF" >// define special type name</FONT></I><BR>
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typedef boost::array<float,6> Array;<BR>
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<BR>
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<I><FONT face="Arial,Helvetica,sans-serif" color="0000FF" >// create and initialize an array</FONT></I><BR>
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Array a = { { 42 } };<BR>
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<BR>
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<I><FONT face="Arial,Helvetica,sans-serif" color="0000FF" >// access elements</FONT></I><BR>
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for (unsigned i=1; i<a.size(); ++i) {<BR>
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a[i] = a[i-1]+1;<BR>
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}<BR>
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<BR>
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<I><FONT face="Arial,Helvetica,sans-serif" color="0000FF" >// use some common STL container operations</FONT></I><BR>
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std::cout << "size: " << a.size() << std::endl;<BR>
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std::cout << "empty: " << std::boolalpha << a.empty() << std::endl;<BR>
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std::cout << "max_size: " << a.max_size() << std::endl;<BR>
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std::cout << "front: " << a.front() << std::endl;<BR>
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std::cout << "back: " << a.back() << std::endl;<BR>
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std::cout << "elems: ";<BR>
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<BR>
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<I><FONT face="Arial,Helvetica,sans-serif" color="0000FF" >// iterate through all elements</FONT></I><BR>
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for (Array::const_iterator pos=a.begin(); pos<a.end(); ++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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<I><FONT face="Arial,Helvetica,sans-serif" color="0000FF" >// check copy constructor and assignment operator</FONT></I><BR>
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Array b(a);<BR>
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Array c;<BR>
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c = a;<BR>
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if (a==b && a==c) {<BR>
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std::cout << "copy construction and copy assignment are OK"<BR>
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<< std::endl;<BR>
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}<BR>
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else {<BR>
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std::cout << "copy construction and copy assignment are OK"<BR>
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<< std::endl;<BR>
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}<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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