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117 lines
2.1 KiB
HTML
117 lines
2.1 KiB
HTML
<HTML>
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<!--
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-- Copyright (c) Jeremy Siek 2000
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--
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-- Permission to use, copy, modify, distribute and sell this software
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-- and its documentation for any purpose is hereby granted without fee,
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-- provided that the above copyright notice appears in all copies and
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-- that both that copyright notice and this permission notice appear
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-- in supporting documentation. Silicon Graphics makes no
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-- representations about the suitability of this software for any
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-- purpose. It is provided "as is" without express or implied warranty.
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-->
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<Head>
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<Title>Assignable</Title>
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</HEAD>
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<BODY BGCOLOR="#ffffff" LINK="#0000ee" TEXT="#000000" VLINK="#551a8b"
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ALINK="#ff0000">
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<IMG SRC="../../c++boost.gif"
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ALT="C++ Boost" width="277" height="86">
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<!--end header-->
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<BR Clear>
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<H1>Assignable</H1>
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<h3>Description</h3>
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A type is Assignable if it is possible to assign one object of the type
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to another object of that type.
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<h3>Notation</h3>
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<Table>
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<TR>
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<TD VAlign=top>
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<tt>T</tt>
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</TD>
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<TD VAlign=top>
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is type that is a model of Assignable
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</TD>
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</TR>
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<TR>
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<TD VAlign=top>
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<tt>t</tt>
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</TD>
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<TD VAlign=top>
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is an object of type <tt>T</tt>
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</TD>
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</tr>
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<TR>
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<TD VAlign=top>
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<tt>u</tt>
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</TD>
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<TD VAlign=top>
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is an object of type <tt>T</tt> or possibly <tt>const T</tt>
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</TD>
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</tr>
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</table>
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<h3>Definitions</h3>
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<h3>Valid expressions</h3>
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<Table border>
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<TR>
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<TH>
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Name
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</TH>
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<TH>
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Expression
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</TH>
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<TH>
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Return type
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</TH>
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<TH>
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Semantics
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</TH>
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</TR>
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<TR>
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<TD VAlign=top>
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Assignment
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</TD>
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<TD VAlign=top>
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<tt>t = u</tt>
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</TD>
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<TD VAlign=top>
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<tt>T&</tt>
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</TD>
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<TD VAlign=top>
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<tt>t</tt> is equivalent to <tt>u</tt>
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</TD>
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</TR>
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</table>
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</table>
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<h3>Models</h3>
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<UL>
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<LI><tt>int</tt>
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<LI><tt>std::pair</tt>
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</UL>
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<h3>See also</h3>
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<a href="http://www.sgi.com/tech/stl/DefaultConstructible.html">DefaultConstructible</A>
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and
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<A href="./CopyConstructible.html">CopyConstructible</A>
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<br>
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<HR>
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<TABLE>
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<TR valign=top>
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<TD nowrap>Copyright © 2000</TD><TD>
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<A HREF=http://www.lsc.nd.edu/~jsiek>Jeremy Siek</A>, Univ.of Notre Dame (<A HREF="mailto:jsiek@lsc.nd.edu">jsiek@lsc.nd.edu</A>)
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</TD></TR></TABLE>
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</BODY>
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</HTML>
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