Make parse_proto default to an empty string.

diff --git a/lib/Devel/Declare/MethodInstaller/Simple.pm b/lib/Devel/Declare/MethodInstaller/Simple.pm
index 949d2a9..7cbe95b 100644 (file)
--- a/lib/Devel/Declare/MethodInstaller/Simple.pm
+++ b/lib/Devel/Declare/MethodInstaller/Simple.pm
@@ -114,7 +114,7 @@ sub parser {
   return;
 }
 
-sub parse_proto { }
+sub parse_proto { '' }
 
 sub inject_parsed_proto {
   return $_[1];