X-Git-Url: http://git.vpit.fr/?a=blobdiff_plain;f=lib%2FLexical%2FTypes.pm;h=3593a2be5cd6eee815390cbf65edea6cc8612362;hb=c8223c2b729cdac4d9b77f634ed31613ce5620bf;hp=0ac794ab68cc7bb5706c890af23efd972b924e8e;hpb=29249d65c1e4c2712ad16c72543cf98d5905102e;p=perl%2Fmodules%2FLexical-Types.git diff --git a/lib/Lexical/Types.pm b/lib/Lexical/Types.pm index 0ac794a..3593a2b 100644 --- a/lib/Lexical/Types.pm +++ b/lib/Lexical/Types.pm @@ -1,25 +1,23 @@ package Lexical::Types; -use 5.008; +use 5.008003; use strict; use warnings; -use Carp qw/croak/; - =head1 NAME Lexical::Types - Extend the semantics of typed lexicals. =head1 VERSION -Version 0.05 +Version 0.09 =cut our $VERSION; BEGIN { - $VERSION = '0.05'; + $VERSION = '0.09'; } =head1 SYNOPSIS @@ -152,10 +150,11 @@ sub import { $as .= '::' if $as !~ /::$/; $hint = _tag(sub { $as . $_[0] }); } else { - croak "Invalid $r reference for 'as'"; + require Carp; + Carp::croak("Invalid $r reference for 'as'"); } } else { - $hint = _tag(0); + $hint = _tag(sub { @_ }); } $^H |= 0x020000; @@ -245,15 +244,36 @@ If you prefer to use constants rather than creating empty packages, you can repl sub new { ... } +=head1 CONSTANTS + +=head2 C + +True iff the module could have been built with thread-safety features enabled. + +=head2 C + +True iff this module could have been built with fork-safety features enabled. +This will always be true except on Windows where it's false for perl 5.10.0 and below . + =head1 CAVEATS The restrictions on the type (being either a defined package name or a constant) apply even if you use the C<'as'> option to redirect to another package, and are unlikely to find a workaround as this happens deep inside the lexer - far from the reach of an extension. Only one mangler or prefix can be in use at the same time in a given scope. +The implementation was tweaked to work around several limitations of vanilla C pragmas : it's thread safe, and doesn't suffer from a C bug that causes all pragmas to propagate into Cd scopes. + +With 5.8 perls, the pragma does not propagate into C. +This is due to a shortcoming in the way perl handles the hints hash, which is addressed in perl 5.10. + =head1 DEPENDENCIES -L 5.8, L. +L 5.8.3. + +A C compiler. +This module may happen to build with a C++ compiler as well, but don't rely on it, as no guarantee is made in this regard. + +L (standard since perl 5.006). =head1 SEE ALSO @@ -287,7 +307,7 @@ Thanks Florian Ragwitz for suggesting the use of constants for types. =head1 COPYRIGHT & LICENSE -Copyright 2009 Vincent Pit, all rights reserved. +Copyright 2009,2010,2011 Vincent Pit, all rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.