return 0 if ref($class) || !defined($class) || !length($class);
- return 1 if exists $is_class_loaded_cache{$class};
+ return 1 if $is_class_loaded_cache{$class};
# walk the symbol table tree to avoid autovififying
# \*{${main::}{"Foo::"}} == \*main::Foo::
- my $pack = \*::;
+ my $pack = \%::;
foreach my $part (split('::', $class)) {
- return 0 unless exists ${$$pack}{"${part}::"};
- $pack = \*{${$$pack}{"${part}::"}};
+ my $entry = \$pack->{$part . '::'};
+ return 0 if ref($entry) ne 'GLOB';
+ $pack = *{$entry}{HASH} or return 0;
}
# check for $VERSION or @ISA
- return ++$is_class_loaded_cache{$class} if exists ${$$pack}{VERSION}
- && defined *{${$$pack}{VERSION}}{SCALAR};
- return ++$is_class_loaded_cache{$class} if exists ${$$pack}{ISA}
- && defined *{${$$pack}{ISA}}{ARRAY};
+ return ++$is_class_loaded_cache{$class} if exists $pack->{VERSION}
+ && defined *{$pack->{VERSION}}{SCALAR} && defined ${ $pack->{VERSION} };
+ return ++$is_class_loaded_cache{$class} if exists $pack->{ISA}
+ && defined *{$pack->{ISA}}{ARRAY} && @{ $pack->{ISA} } != 0;
# check for any method
- foreach ( keys %{$$pack} ) {
- next if substr($_, -2, 2) eq '::';
- return ++$is_class_loaded_cache{$class} if defined *{${$$pack}{$_}}{CODE};
+ foreach my $name( keys %{$pack} ) {
+ my $entry = \$pack->{$name};
+ return ++$is_class_loaded_cache{$class} if ref($entry) ne 'GLOB' || defined *{$entry}{CODE};
}
# fail
} else {
push @roles, [ $_[$i] => {} ];
}
+ my $role_name = $roles[-1][0];
+ load_class($role_name);
+ ( $role_name->can('meta') && $role_name->meta->isa('Mouse::Meta::Role') )
+ || $meta->throw_error("You can only consume roles, $role_name(".$role_name->meta.") is not a Mouse role");
}
- foreach my $role_spec (@roles) {
- Mouse::load_class( $role_spec->[0] );
- }
-
- ( $_->[0]->can('meta') && $_->[0]->meta->isa('Mouse::Meta::Role') )
- || confess("You can only consume roles, "
- . $_->[0]
- . " is not a Moose role")
- foreach @roles;
-
if ( scalar @roles == 1 ) {
my ( $role, $params ) = @{ $roles[0] };
$role->meta->apply( $meta, ( defined $params ? %$params : () ) );