From: Peter Rabbitson <ribasushi@cpan.org>
Date: Sun, 28 Oct 2012 11:01:08 +0000 (+0100)
Subject: The complexity of caching pkg_gen is in fact making things slower
X-Git-Tag: v0.10007~15
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=p5sagit%2FClass-Accessor-Grouped.git;a=commitdiff_plain;h=a3a81175e345c678e7f25eaf150f8495a06e0c26

The complexity of caching pkg_gen is in fact making things slower
---

diff --git a/Changes b/Changes
index ee5603a..6a39c87 100644
--- a/Changes
+++ b/Changes
@@ -5,6 +5,7 @@ Revision history for Class::Accessor::Grouped.
     - Drop minimum perl to 5.6 (from 5.6.2)
     - Switch all module loading to Module::Runtime and lose
       dependency on Class::Inspector
+    - Simplify superclass traversal done by the 'inherited' group type
 
 0.10006 2011-12-30 03:52 (UTC)
     - Silence warnings resulting from incomplete can() overrides
diff --git a/lib/Class/Accessor/Grouped.pm b/lib/Class/Accessor/Grouped.pm
index 24b6971..5f1c441 100644
--- a/lib/Class/Accessor/Grouped.pm
+++ b/lib/Class/Accessor/Grouped.pm
@@ -282,16 +282,8 @@ sub get_inherited {
   my $cag_slot = '::__cag_'. $_[1];
   return ${$class.$cag_slot} if defined(${$class.$cag_slot});
 
-  # we need to be smarter about recalculation, as @ISA (thus supers) can very well change in-flight
-  my $cur_gen = mro::get_pkg_gen ($class);
-  if ( $cur_gen != ${$class.'::__cag_pkg_gen__'} ) {
-    @{$class.'::__cag_supers__'} = $_[0]->get_super_paths;
-    ${$class.'::__cag_pkg_gen__'} = $cur_gen;
-  }
-
-  for (@{$class.'::__cag_supers__'}) {
-    return ${$_.$cag_slot} if defined(${$_.$cag_slot});
-  };
+  do { return ${$_.$cag_slot} if defined(${$_.$cag_slot}) }
+    for $_[0]->get_super_paths;
 
   return undef;
 }