diff options
Diffstat (limited to 'Master/tlpkg/tlperl/lib/feature.pm')
-rw-r--r-- | Master/tlpkg/tlperl/lib/feature.pm | 66 |
1 files changed, 49 insertions, 17 deletions
diff --git a/Master/tlpkg/tlperl/lib/feature.pm b/Master/tlpkg/tlperl/lib/feature.pm index 0301aa59350..e6f467e9e48 100644 --- a/Master/tlpkg/tlperl/lib/feature.pm +++ b/Master/tlpkg/tlperl/lib/feature.pm @@ -5,14 +5,16 @@ package feature; -our $VERSION = '1.54'; +our $VERSION = '1.58'; our %feature = ( fc => 'feature_fc', + isa => 'feature_isa', say => 'feature_say', state => 'feature_state', switch => 'feature_switch', bitwise => 'feature_bitwise', + indirect => 'feature_indirect', evalbytes => 'feature_evalbytes', signatures => 'feature_signatures', current_sub => 'feature___SUB__', @@ -24,13 +26,13 @@ our %feature = ( ); our %feature_bundle = ( - "5.10" => [qw(say state switch)], - "5.11" => [qw(say state switch unicode_strings)], - "5.15" => [qw(current_sub evalbytes fc say state switch unicode_eval unicode_strings)], - "5.23" => [qw(current_sub evalbytes fc postderef_qq say state switch unicode_eval unicode_strings)], - "5.27" => [qw(bitwise current_sub evalbytes fc postderef_qq say state switch unicode_eval unicode_strings)], - "all" => [qw(bitwise current_sub declared_refs evalbytes fc postderef_qq refaliasing say signatures state switch unicode_eval unicode_strings)], - "default" => [qw()], + "5.10" => [qw(indirect say state switch)], + "5.11" => [qw(indirect say state switch unicode_strings)], + "5.15" => [qw(current_sub evalbytes fc indirect say state switch unicode_eval unicode_strings)], + "5.23" => [qw(current_sub evalbytes fc indirect postderef_qq say state switch unicode_eval unicode_strings)], + "5.27" => [qw(bitwise current_sub evalbytes fc indirect postderef_qq say state switch unicode_eval unicode_strings)], + "all" => [qw(bitwise current_sub declared_refs evalbytes fc indirect isa postderef_qq refaliasing say signatures state switch unicode_eval unicode_strings)], + "default" => [qw(indirect)], ); $feature_bundle{"5.12"} = $feature_bundle{"5.11"}; @@ -49,6 +51,8 @@ $feature_bundle{"5.26"} = $feature_bundle{"5.23"}; $feature_bundle{"5.28"} = $feature_bundle{"5.27"}; $feature_bundle{"5.29"} = $feature_bundle{"5.27"}; $feature_bundle{"5.30"} = $feature_bundle{"5.27"}; +$feature_bundle{"5.31"} = $feature_bundle{"5.27"}; +$feature_bundle{"5.32"} = $feature_bundle{"5.27"}; $feature_bundle{"5.9.5"} = $feature_bundle{"5.10"}; my %noops = ( postderef => 1, @@ -348,6 +352,26 @@ Reference to a Variable> for examples. This feature is available from Perl 5.26 onwards. +=head2 The 'isa' feature + +This allows the use of the C<isa> infix operator, which tests whether the +scalar given by the left operand is an object of the class given by the +right operand. See L<perlop/Class Instance Operator> for more details. + +This feature is available from Perl 5.32 onwards. + +=head2 The 'indirect' feature + +This feature allows the use of L<indirect object +syntax|perlobj/Indirect Object Syntax> for method calls, e.g. C<new +Foo 1, 2;>. It is enabled by default, but can be turned off to +disallow indirect object syntax. + +This feature is available under this name from Perl 5.32 onwards. In +previous versions, it was simply on all the time. To disallow (or +warn on) indirect object syntax on older Perls, see the L<indirect> +CPAN module. + =head1 FEATURE BUNDLES It's possible to load multiple features together, using @@ -360,41 +384,49 @@ The following feature bundles are available: bundle features included --------- ----------------- - :default + :default indirect - :5.10 say state switch + :5.10 say state switch indirect - :5.12 say state switch unicode_strings + :5.12 say state switch unicode_strings indirect - :5.14 say state switch unicode_strings + :5.14 say state switch unicode_strings indirect :5.16 say state switch unicode_strings unicode_eval evalbytes current_sub fc + indirect :5.18 say state switch unicode_strings unicode_eval evalbytes current_sub fc + indirect :5.20 say state switch unicode_strings unicode_eval evalbytes current_sub fc + indirect :5.22 say state switch unicode_strings unicode_eval evalbytes current_sub fc + indirect :5.24 say state switch unicode_strings unicode_eval evalbytes current_sub fc - postderef_qq + postderef_qq indirect :5.26 say state switch unicode_strings unicode_eval evalbytes current_sub fc - postderef_qq + postderef_qq indirect :5.28 say state switch unicode_strings unicode_eval evalbytes current_sub fc - postderef_qq bitwise + postderef_qq bitwise indirect :5.30 say state switch unicode_strings unicode_eval evalbytes current_sub fc - postderef_qq bitwise + postderef_qq bitwise indirect + + :5.32 say state switch unicode_strings + unicode_eval evalbytes current_sub fc + postderef_qq bitwise indirect The C<:default> bundle represents the feature set that is enabled before any C<use feature> or C<no feature> declaration. @@ -479,7 +511,7 @@ sub __common { my $import = shift; my $bundle_number = $^H & $hint_mask; my $features = $bundle_number != $hint_mask - && $feature_bundle{$hint_bundles[$bundle_number >> $hint_shift]}; + && $feature_bundle{$hint_bundles[$bundle_number >> $hint_shift]}; if ($features) { # Features are enabled implicitly via bundle hints. # Delete any keys that may be left over from last time. |