Article View: gnu.g++
Article #217named return value [was: Defining operators]
From: Reid Ellis
Date: Mon, 27 Nov 1989 17:06
Date: Mon, 27 Nov 1989 17:06
22 lines
1244 bytes
1244 bytes
tiemann@lurch.stanford.edu writes:
|Why not allow a fourth form, using Named Return Values (see
|July/August C++ Report for details of this GNU C++ language
|extension):
|
|matrix operator+(matrix& x, matrix& y) return z { ... }
And look! It's extensible! Later we can add multiple return values!
matrix operator+(matrix& x, matrix& y) return x,y,z { ... }
Ya, dat's it.. :)
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;
Reid
---
Reid Ellis, 264 Broadway Avenue, Toronto ON, M4P 1V9, Canada
rae%alias@csri.utoronto.ca +1 416 487 1383
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!ists!yunexus!geac!alias!rae%alias@csri.utoronto.ca From: rae%alias@csri.utoronto.ca (Reid Ellis) Newsgroups: gnu.g++ Subject: named return value [was: Defining operators] Summary: ugly ugly Message-ID: <650@alias.UUCP> Date: 27 Nov 89 17:06:01 GMT References: <1253@cnetlu.UUCP> <8911221001.AA29853@lurch.Stanford.EDU> Sender: rae@alias.UUCP Reply-To: rae%alias@csri.utoronto.ca (Reid Ellis) Distribution: gnu Organization: Alias Research -- the cutting edge in JAGGIE technology Lines: 22