Moose-2.1405HEADMoose-2.1405master

1 files changed, 22 insertions, 0 deletions

diff --git a/lib/Moose/Exception/MetaclassIsNotASubclassOfGivenMetaclass.pm b/lib/Moose/Exception/MetaclassIsNotASubclassOfGivenMetaclass.pm
new file mode 100644
index 0000000..53f939b
--- /dev/null
+++ b/lib/Moose/Exception/MetaclassIsNotASubclassOfGivenMetaclass.pm
@@ -0,0 +1,22 @@
+package Moose::Exception::MetaclassIsNotASubclassOfGivenMetaclass;
+our $VERSION = '2.1405';
+
+use Moose;
+extends 'Moose::Exception';
+with 'Moose::Exception::Role::Class';
+
+use Moose::Util 'find_meta';
+
+has 'metaclass' => (
+    is       => 'ro',
+    isa      => 'Str',
+    required => 1
+);
+
+sub _build_message {
+    my $self = shift;
+    my $class = find_meta( $self->class_name );
+    $self->class_name." already has a metaclass, but it does not inherit ".$self->metaclass." ($class).";
+}
+
+1;