# (feature name) => (internal name, used in %^H)
my %feature = (
switch => 'feature_switch',
- "~~" => "feature_~~",
say => "feature_say",
err => "feature_err",
state => "feature_state",
);
my %feature_bundle = (
- "5.10.0" => [qw(switch ~~ say err state)],
+ "5.10.0" => [qw(switch say err state)],
);
# latest version here
# keep it harcoded until we actually bump the version number to 5.10
See L<perlsyn/"Switch statements"> for details.
-=head2 The '~~' feature
-
-C<use feature '~~'> tells the compiler to enable the Perl 6
-smart match C<~~> operator.
-
-See L<perlsyn/"Smart matching in detail"> for details.
-
=head2 The 'say' feature
C<use feature 'say'> tells the compiler to enable the Perl 6
a I<feature bundle>. The name of a feature bundle is prefixed with
a colon, to distinguish it from an actual feature. At present, the
only feature bundles are C<use feature ":5.10"> and C<use feature ":5.10.0">,
-which both are equivalent to C<use feature qw(switch ~~ say err state)>.
+which both are equivalent to C<use feature qw(switch say err state)>.
In the forthcoming 5.10.X perl releases, C<use feature ":5.10"> will be
equivalent to the latest C<use feature ":5.10.X">.