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- From: kanze@lts.sel.alcatel.de (James Kanze US/ESC 60/3/141 #40763)
- Message-ID: <KANZE.96Apr15211326@slsvgqt.lts.sel.alcatel.de>
- X-Original-Date: 15 Apr 1996 19:13:26 GMT
- Path: in2.uu.net!bounce-back
- Date: 15 Apr 96 20:46:13 GMT
- Approved: fjh@cs.mu.oz.au
- Newsgroups: comp.std.c++
- Subject: Re: references and ellipsis
- In-Reply-To: fjh@munta.cs.mu.OZ.AU's message of 14 Apr 1996 15:08:25 GMT
- Organization: GABI Software, Sarl.
- References: <4kop8j$ino@vishnu.jussieu.fr> <4kpd3v$2fb@engnews1.Eng.Sun.COM> <4kr1p3$67g@mulga.cs.mu.OZ.AU>
- Apparently-To: std-c++@ncar.ucar.edu
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- In article <4kr1p3$67g@mulga.cs.mu.OZ.AU> fjh@munta.cs.mu.OZ.AU (Fergus
- Henderson) writes:
-
- |> clamage@Eng.Sun.COM (Steve Clamage) writes:
-
- |> >According the draft standard, the results of using a reference
- |> >type as the last pararmeter before the ellipsis (...) are
- |> >undefined. See section 18.7 "Other runtime support" [lib.support.runtime].
-
- |> Is there any good reason why this has undefined behaviour rather than
- |> being ill-formed code? Surely this should be very easy for implementations
- |> to detect and diagnose.
-
- Hysterica^H^H^H^H^H^H^Horical reasons, no doubt. Declare the last
- parameter a char in C, and you also get undefined behavior.
-
- And it's surely no more difficult to diagnose a double underscore (and
- at least one compiler does), which is also `undefined behavior'.
- --
- James Kanze Tel.: (+33) 88 14 49 00 email: kanze@gabi-soft.fr
- GABI Software, Sarl., 8 rue des Francs-Bourgeois, F-67000 Strasbourg, France
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