7 use warnings FATAL => 'redefine'; # to avoid to load Mouse::PurePerl
14 return 0 if ref($class) || !defined($class) || !length($class);
16 # walk the symbol table tree to avoid autovififying
17 # \*{${main::}{"Foo::"}} == \*main::Foo::
20 foreach my $part (split('::', $class)) {
21 my $entry = \$pack->{$part . '::'};
22 return 0 if ref($entry) ne 'GLOB';
23 $pack = *{$entry}{HASH} or return 0;
26 # check for $VERSION or @ISA
27 return 1 if exists $pack->{VERSION}
28 && defined *{$pack->{VERSION}}{SCALAR} && defined ${ $pack->{VERSION} };
29 return 1 if exists $pack->{ISA}
30 && defined *{$pack->{ISA}}{ARRAY} && @{ $pack->{ISA} } != 0;
32 # check for any method
33 foreach my $name( keys %{$pack} ) {
34 my $entry = \$pack->{$name};
35 return 1 if ref($entry) ne 'GLOB' || defined *{$entry}{CODE};
43 # taken from Sub::Identify
46 ref($coderef) or return;
48 my $cv = B::svref_2object($coderef);
49 $cv->isa('B::CV') or return;
52 $gv->isa('B::GV') or return;
54 return ($gv->STASH->NAME, $gv->NAME);
60 my $cv = B::svref_2object($coderef);
61 $cv->isa('B::CV') or return '';
64 $gv->isa('B::GV') or return '';
66 return $gv->STASH->NAME;
71 Mouse::Meta::Method::Accessor;