sub _getglob { \*{$_[0]} }
sub _getstash { \%{"$_[0]::"} }
-BEGIN {
- *lt_5_8_3 = $] < 5.008003
- ? sub () { 1 }
- : sub () { 0 }
- ;
-}
+use constant lt_5_8_3 => ( $] < 5.008003 ) ? 1 : 0;
+use constant can_haz_subname => eval { require Sub::Name };
use strictures 1;
use Module::Runtime qw(require_module);
our @EXPORT = qw(
_getglob _install_modifier _load_module _maybe_load_module
- _get_linear_isa
+ _get_linear_isa _getstash _install_coderef _name_coderef
);
sub _install_modifier {
return 1 if $INC{"${proto}.pm"};
# can't just ->can('can') because a sub-package Foo::Bar::Baz
# creates a 'Baz::' key in Foo::Bar's symbol table
- return 1 if grep !/::$/, keys %{_getstash($_[0])||{}};
+ my $stash = _getstash($_[0])||{};
+ return 1 if grep +(!ref($_) and *$_{CODE}), values %$stash;
require_module($_[0]);
return 1;
}
}
sub _get_linear_isa {
- return mro::get_linear_isa($_[0]);
+ return mro::get_linear_isa($_[0]);
+}
+
+sub _install_coderef {
+ *{_getglob($_[0])} = _name_coderef(@_);
+}
+
+sub _name_coderef {
+ can_haz_subname ? Sub::Name::subname(@_) : $_[1];
}
our $_in_global_destruction = 0;