package Moose::Exception::NoImmutableTraitSpecifiedForClass; our $VERSION = '2.2011'; use Moose; extends 'Moose::Exception'; with 'Moose::Exception::Role::Class', 'Moose::Exception::Role::ParamsHash'; use Moose::Util 'find_meta'; sub _build_message { my $self = shift; my $class = find_meta( $self->class_name ); "no immutable trait specified for $class"; } __PACKAGE__->meta->make_immutable; 1;