our %dependencies = (
'Scalar::Util' => {
+
+# VVVVV CODE TAKEN FROM SCALAR::UTIL VVVVV
'blessed' => do {
- do {
- no strict 'refs';
- *UNIVERSAL::a_sub_not_likely_to_be_here = sub {
- my $ref = ref($_[0]);
-
- # deviation from Scalar::Util
- # XS returns undef, PP returns GLOB.
- # let's make that more consistent by having PP return
- # undef if it's a GLOB. :/
-
- # \*STDOUT would be allowed as an object in PP blessed
- # but not XS
- return $ref eq 'GLOB' ? undef : $ref;
- };
+ *UNIVERSAL::a_sub_not_likely_to_be_here = sub {
+ my $ref = ref($_[0]);
+
+ # deviation from Scalar::Util
+ # XS returns undef, PP returns GLOB.
+ # let's make that more consistent by having PP return
+ # undef if it's a GLOB. :/
+
+ # \*STDOUT would be allowed as an object in PP blessed
+ # but not XS
+ return $ref eq 'GLOB' ? undef : $ref;
};
sub {
(tied(*$fh) or defined(fileno($fh)))
? $fh : undef;
},
+ weaken => {
+ loaded => \&Scalar::Util::weaken,
+ not_loaded => sub { die "Scalar::Util required for weak reference support" },
+ },
+# ^^^^^ CODE TAKEN FROM SCALAR::UTIL ^^^^^
},
'MRO::Compat' => {
+# VVVVV CODE TAKEN FROM MRO::COMPAT VVVVV
'get_linear_isa' => {
loaded => \&mro::get_linear_isa,
not_loaded => do {
}
},
},
+# ^^^^^ CODE TAKEN FROM MRO::COMPAT ^^^^^
},
);
our @EXPORT_OK = map { keys %$_ } values %dependencies;
for my $module_name (keys %dependencies) {
- (my $file = "$module_name.pm") =~ s{::}{/}g;
-
my $loaded = do {
local $SIG{__DIE__} = 'DEFAULT';
- eval "require '$file'; 1";
+ eval "require $module_name; 1";
};
for my $method_name (keys %{ $dependencies{ $module_name } }) {
1;
+__END__
+
+=head1 NAME
+
+Mouse::Util - features, with or without their dependencies
+
+=head1 IMPLEMENTATIONS FOR
+
+=head2 L<MRO::Compat>
+
+=head3 get_linear_isa
+
+=head2 L<Scalar::Util>
+
+=head3 blessed
+
+=head3 looks_like_number
+
+=head3 reftype
+
+=head3 openhandle
+
+=head3 weaken
+
+C<weaken> I<must> be implemented in XS. If the user tries to use C<weaken>
+without L<Scalar::Util>, an error is thrown.
+
+=cut
+