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# New Ticket Created by slaven@rezic.de
# Please include the string: [perl #132760]
# in the subject line of all future correspondence about this issue.
# <URL: https://rt.perl.org/Ticket/Display.html?id=132760 >
This is a bug report for perl from slaven@rezic.de,
generated with the help of perlbug 1.41 running under perl 5.27.8.
-----------------------------------------------------------------
List-Lazy-0.3.0 does not work anymore since v5.27.7-212-g894f226e51.
This is the change which swapped signatures and attributes.
This change is already documented in perldelta, but I have just
two notes:
- The error output does not look nice. In this case it begins with
Array found where operator expected at /home/eserte/.cpan/build/2018012418/List-Lazy-0.3.0-2/blib/lib/List/Lazy.pm line 43, near "$$@)"
(Missing operator before @)?)
"my" variable $step masks earlier declaration in same statement at /home/eserte/.cpan/build/2018012418/List-Lazy-0.3.0-2/blib/lib/List/Lazy.pm line 44.
syntax error at /home/eserte/.cpan/build/2018012418/List-Lazy-0.3.0-2/blib/lib/List/Lazy.pm line 36, near ") :"
Global symbol "$generator" requires explicit package name (did you forget to declare "my $generator"?) at /home/eserte/.cpan/build/2018012418/List-Lazy-0.3.0-2/blib/lib/List/Lazy.pm line 38.
Global symbol "$state" requires explicit package name (did you forget to declare "my $state"?) at /home/eserte/.cpan/build/2018012418/List-Lazy-0.3.0-2/blib/lib/List/Lazy.pm line 39.
Global symbol "$min" requires explicit package name (did you forget to declare "my $min"?) at /home/eserte/.cpan/build/2018012418/List-Lazy-0.3.0-2/blib/lib/List/Lazy.pm line 43.
Global symbol "$max" requires explicit package name (did you forget to declare "my $max"?) at /home/eserte/.cpan/build/2018012418/List-Lazy-0.3.0-2/blib/lib/List/Lazy.pm line 43.
Global symbol "$step" requires explicit package name (did you forget to declare "my $step"?) at /home/eserte/.cpan/build/2018012418/List-Lazy-0.3.0-2/blib/lib/List/Lazy.pm line 43.
Invalid separator character '{' in attribute list at /home/eserte/.cpan/build/2018012418/List-Lazy-0.3.0-2/blib/lib/List/Lazy.pm line 44, near "$step : sub "
Global symbol "$step" requires explicit package name (did you forget to declare "my $step"?) at /home/eserte/.cpan/build/2018012418/List-Lazy-0.3.0-2/blib/lib/List/Lazy.pm line 44.
...
which does not really say anything about the problem. Is it possible
to detect this situation and improve diagnostics?
- What does this change means in terms of usability of signatures? Users
mixing signatures and prototypes must increase their perl prerequisite
from 5.22 to 5.28, which may mean it could be less likely that
signatures are used in the next time. Is this worth for this change?
BTW, the issue for the CPAN module is
https://github.com/yanick/List-Lazy/issues/3
-- Slaven
-----------------------------------------------------------------
---
Flags:
category=core
severity=low
---
Site configuration information for perl 5.27.8:
Configured by eserte at Sat Jan 20 09:22:10 CET 2018.
Summary of my perl5 (revision 5 version 27 subversion 8) configuration:
Platform:
osname=linux
osvers=3.16.0-4-amd64
archname=x86_64-linux
uname='linux cabulja 3.16.0-4-amd64 #1 smp debian 3.16.51-3 (2017-12-13) x86_64 gnulinux '
config_args='-ds -e -Dprefix=/opt/perl-5.27.8 -Dusedevel -Dusemallocwrap=no -Dcf_email=srezic@cpan.org'
hint=recommended
useposix=true
d_sigaction=define
useithreads=undef
usemultiplicity=undef
use64bitint=define
use64bitall=define
uselongdouble=undef
usemymalloc=n
default_inc_excludes_dot=define
bincompat5005=undef
Compiler:
cc='cc'
ccflags ='-fwrapv -fno-strict-aliasing -pipe -fstack-protector-strong -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_FORTIFY_SOURCE=2'
optimize='-O2'
cppflags='-fwrapv -fno-strict-aliasing -pipe -fstack-protector-strong -I/usr/local/include'
ccversion=''
gccversion='4.9.2'
gccosandvers=''
intsize=4
longsize=8
ptrsize=8
doublesize=8
byteorder=12345678
doublekind=3
d_longlong=define
longlongsize=8
d_longdbl=define
longdblsize=16
longdblkind=3
ivtype='long'
ivsize=8
nvtype='double'
nvsize=8
Off_t='off_t'
lseeksize=8
alignbytes=8
prototype=define
Linker and Libraries:
ld='cc'
ldflags =' -fstack-protector-strong -L/usr/local/lib'
libpth=/usr/local/lib /usr/lib/gcc/x86_64-linux-gnu/4.9/include-fixed /usr/include/x86_64-linux-gnu /usr/lib /lib/x86_64-linux-gnu /lib/../lib /usr/lib/x86_64-linux-gnu /usr/lib/../lib /lib
libs=-lpthread -lnsl -lgdbm -ldb -ldl -lm -lcrypt -lutil -lc -lgdbm_compat
perllibs=-lpthread -lnsl -ldl -lm -lcrypt -lutil -lc
libc=libc-2.19.so
so=so
useshrplib=false
libperl=libperl.a
gnulibc_version='2.19'
Dynamic Linking:
dlsrc=dl_dlopen.xs
dlext=so
d_dlsymun=undef
ccdlflags='-Wl,-E'
cccdlflags='-fPIC'
lddlflags='-shared -O2 -L/usr/local/lib -fstack-protector-strong'
---
@INC for perl 5.27.8:
/opt/perl-5.27.8/lib/site_perl/5.27.8/x86_64-linux
/opt/perl-5.27.8/lib/site_perl/5.27.8
/opt/perl-5.27.8/lib/5.27.8/x86_64-linux
/opt/perl-5.27.8/lib/5.27.8
---
Environment for perl 5.27.8:
HOME=/home/eserte
LANG=en_US.UTF-8
LANGUAGE (unset)
LD_LIBRARY_PATH (unset)
LOGDIR (unset)
PATH=/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin:/home/eserte/bin/linux-gnu:/home/eserte/bin/sh:/home/eserte/bin:/home/eserte/bin/pistachio-perl/bin:/usr/games:/home/eserte/devel
PERLDOC=-MPod::Perldoc::ToTextOverstrike
PERL_BADLANG (unset)
SHELL=/bin/zsh
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