Make ->does, ->DOES safe on old perls (RT#100866)

[p5sagit/Safe-Isa.git] / lib / Safe / Isa.pm

diff --git a/lib/Safe/Isa.pm b/lib/Safe/Isa.pm
index 47cfd3e..bdd93e5 100644 (file)
--- a/lib/Safe/Isa.pm
+++ b/lib/Safe/Isa.pm
@@ -15,6 +15,7 @@ our $_call_if_object = sub {
   # we gratuitously break modules like Scalar::Defer, which would be
   # un-perlish.
   return unless blessed($obj);
+  return $obj->isa(@_) if lc($method) eq 'does' and not $obj->can($method);
   return $obj->$method(@_);
 };