named return value [was: Defining operators]

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Article #218

#218

From: Michael Tiemann
Date: Tue, 28 Nov 1989 15:01

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    But seriously, what if operator+ is used inside an expression in this new
    case?  Then the compiler generates a temp on its own, I guess..

    e.g.:	A=(b+c)*2;

In fact, it does generate a temporary.  But you missed the point.  The
point was to avoid needless copying objects, not to avoid the creation
of temporaries.  It is often the case that copy elimination avoids
temporary creation, but not always.

Michael

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From: tiemann@LURCH.STANFORD.EDU (Michael Tiemann)
Newsgroups: gnu.g++
Subject: named return value [was: Defining operators]
Message-ID: <8911281501.AA29237@lurch.Stanford.EDU>
Date: 28 Nov 89 15:01:51 GMT
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