X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=gitmo%2FMouse.git;a=blobdiff_plain;f=lib%2FMouse%2FPurePerl.pm;h=a67857cba8da64631fd3bbd57816f99e1b28b338;hp=1f77bf0ce8fe389447b7a5f2f932636cfd2f8198;hb=a4cbb3cb944aa43521dfa69a9f04b206c6b7a6ea;hpb=4819ed36c693b311abb3f7d9965e1eeac1748345

diff --git a/lib/Mouse/PurePerl.pm b/lib/Mouse/PurePerl.pm
index 1f77bf0..a67857c 100644
--- a/lib/Mouse/PurePerl.pm
+++ b/lib/Mouse/PurePerl.pm
@@ -97,6 +97,32 @@ sub generate_isa_predicate_for {
     return $predicate;
 }
 
+sub generate_can_predicate_for {
+    my($methods_ref, $name) = @_;
+
+    my @methods = @{$methods_ref};
+
+    my $predicate = sub{
+        my($instance) = @_;
+        if(Scalar::Util::blessed($instance)){
+            foreach my $method(@methods){
+                if(!$instance->can($method)){
+                    return 0;
+                }
+            }
+            return 1;
+        }
+        return 0;
+    };
+
+    if(defined $name){
+        no strict 'refs';
+        *{ caller() . '::' . $name } = $predicate;
+        return;
+    }
+
+    return $predicate;
+}
 
 package
     Mouse::Util::TypeConstraints;
@@ -496,7 +522,7 @@ Mouse::PurePerl - A Mouse guts in pure Perl
 
 =head1 VERSION
 
-This document describes Mouse version 0.43
+This document describes Mouse version 0.44
 
 =head1 SEE ALSO