package Moose::Exception::InvalidValueForIs; our $VERSION = '2.2011'; use Moose; extends 'Moose::Exception'; with 'Moose::Exception::Role::InvalidAttributeOptions'; sub _build_message { my $self = shift; "I do not understand this option (is => ".$self->params->{is}.") on attribute (".$self->attribute_name.")"; } __PACKAGE__->meta->make_immutable; 1;