[perl #36689] &=, |= and ^= overloads are nbot documented
by Perl-5.8.0@Ton.Iguana.Be other posts by this author
Jul 29 2005 10:09PM messages near this date
[perl #36691] string captured into $1, $2,... in pattern match sometimes have utf8 bit "on" and sometimes "off". Even for the same patternmatch arguments
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Smoke [5.9.3] 25245 FAIL(F) linux 2.6.12-5-686 [debian] (i686/1 cpu)
# New Ticket Created by perl-5.8.0@[...].be
# Please include the string: [perl #36689]
# in the subject line of all future correspondence about this issue.
# <URL: https://rt.perl.org/rt3/Ticket/Display.html?id=36689 >
This is a bug report for perl from perl-5.8.0@[...].be,
generated with the help of perlbug 1.35 running under perl v5.8.4.
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[Please enter your report here]
In itself this report is purely about the documentation:
Overload operators |=, &= and ^= work, but are not documented to exist
in perldoc overload.
I'm reporting this as a bug since not having these caused one of my modules
to fail due to a copy constructor not getting executed at the proper moment.
PS:
why isn't it enough to have overloads for the ops themselves to get the
copy constructor on:
$object += $foo;
Or, in other words, why do I have to do
use overload
"+" => \&plus,
"+=" => \&plus,
"=" => \©
instead of:
use overload
"+" => \&plus,
"=" => \©
It would seem to me that having both a "+" overload and a "=" overload should
be sign enough that you'd want the copy-constructor to get triggered on a
mutator like:
$object += $foo;
[Please do not change anything below this line]
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Flags:
category=core
severity=low
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This perlbug was built using Perl v5.8.6 - Fri Dec 24 19:25:13 CET 2004
It is being executed now by Perl v5.8.4 - Thu Jun 3 13:28:19 CEST 2004.
Site configuration information for perl v5.8.4:
Configured by ton at Thu Jun 3 13:28:19 CEST 2004.
Summary of my perl5 (revision 5 version 8 subversion 4) configuration:
Platform:
osname=linux, osvers=2.6.5, archname=i686-linux-64int-ld
uname='linux quasar 2.6.5 #8 mon apr 5 05:41:20 cest 2004 i686 gnulinux '
config_args=''
hint=recommended, useposix=true, d_sigaction=define
usethreads=undef use5005threads=undef useithreads=undef usemultiplicity=undef
useperlio=define d_sfio=undef uselargefiles=define usesocks=undef
use64bitint=define use64bitall=undef uselongdouble=define
usemymalloc=y, bincompat5005=undef
Compiler:
cc='cc', ccflags ='-fno-strict-aliasing -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE
_OFFSET_BITS=64',
optimize='-O2 -fomit-frame-pointer',
cppflags='-fno-strict-aliasing -I/usr/local/include'
ccversion='', gccversion='3.4.0 20031231 (experimental)', gccosandvers=''
intsize=4, longsize=4, ptrsize=4, doublesize=8, byteorder=12345678
d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=12
ivtype='long long', ivsize=8, nvtype='long double', nvsize=12, Off_t='off_t', lseeksize=
8
alignbytes=4, prototype=define
Linker and Libraries:
ld='cc', ldflags =' -L/usr/local/lib'
libpth=/usr/local/lib /lib /usr/lib
libs=-lnsl -ldb -ldl -lm -lcrypt -lutil -lc
perllibs=-lnsl -ldl -lm -lcrypt -lutil -lc
libc=/lib/libc-2.3.2.so, so=so, useshrplib=false, libperl=libperl.a
gnulibc_version='2.3.2'
Dynamic Linking:
dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E'
cccdlflags='-fpic', lddlflags='-shared -L/usr/local/lib'
Locally applied patches:
---
@INC for perl v5.8.4:
/usr/lib/perl5/5.8.4/i686-linux-64int-ld
/usr/lib/perl5/5.8.4
/usr/lib/perl5/site_perl/5.8.4/i686-linux-64int-ld
/usr/lib/perl5/site_perl/5.8.4
/usr/lib/perl5/site_perl
.
---
Environment for perl v5.8.4:
HOME=/home/ton
LANG (unset)
LANGUAGE (unset)
LD_LIBRARY_PATH (unset)
LOGDIR (unset)
PATH=/home/ton/bin.Linux:/home/ton/bin:/home/ton/bin.SampleSetup:/usr/local/bin:/usr/loc
al/sbin:/home/oracle/product/9.2/bin:/usr/local/ar/bin:/usr/games/bin:/usr/X11R6/bin:/usr/sh
are/bin:/usr/bin:/usr/sbin:/bin:/sbin:.
PERL_BADLANG (unset)
SHELL=/bin/bash
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