63 lines
1.5 KiB
Perl
63 lines
1.5 KiB
Perl
package Moose::Exception::OverloadConflictInSummation;
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our $VERSION = '2.2207';
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use Moose;
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extends 'Moose::Exception';
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use Moose::Util 'find_meta';
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has 'role_application' => (
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is => 'ro',
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isa => 'Moose::Meta::Role::Application::RoleSummation',
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required => 1
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);
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has 'role_names' => (
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traits => ['Array'],
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is => 'bare',
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isa => 'ArrayRef[Str]',
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handles => {
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role_names => 'elements',
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},
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required => 1,
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documentation =>
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"This attribute is an ArrayRef containing role names, if you want metaobjects\n"
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. "associated with these role names, then call method roles on the exception object.\n",
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);
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has 'overloaded_op' => (
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is => 'ro',
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isa => 'Str',
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required => 1,
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);
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sub roles {
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my $self = shift;
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my @role_names = $self->role_names;
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my @roles = map { find_meta($_) } @role_names;
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return @roles;
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}
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sub _build_message {
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my $self = shift;
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my @roles = $self->role_names;
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my $role_names = join "|", @roles;
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my $op = $self->overloaded_op;
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if ( $op eq 'fallback' ) {
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return
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'We have encountered an overloading conflict for the fallback '
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. 'during composition. This is a fatal error.';
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}
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else {
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return
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"Role '$role_names' has encountered an overloading conflict "
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. "during composition. The two roles both overload the '$op' operator. "
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. 'This is a fatal error.';
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}
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}
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__PACKAGE__->meta->make_immutable;
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1;
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