use List::Util qw(first);
-our $VERSION = '1.00';
+our $VERSION = '1.25';
$VERSION = eval $VERSION;
our $AUTHORITY = 'cpan:STEVAN';
);
$self->_set_constraint(sub { $self->check($_[0]) });
- $self->coercion(Moose::Meta::TypeCoercion::Union->new(
- type_constraint => $self
- ));
+
return $self;
}
+# XXX - this is a rather gross implementation of laziness for the benefit of
+# MX::Types. If we try to call ->has_coercion on the objects during object
+# construction, this does not work when defining a recursive constraint with
+# MX::Types.
+sub coercion {
+ my $self = shift;
+
+ return $self->{coercion} if exists $self->{coercion};
+
+ # Using any instead of grep here causes a weird error with some corner
+ # cases when MX::Types is in use. See RT #61001.
+ if ( grep { $_->has_coercion } @{ $self->type_constraints } ) {
+ return $self->{coercion} = Moose::Meta::TypeCoercion::Union->new(
+ type_constraint => $self );
+ }
+ else {
+ return $self->{coercion} = undef;
+ }
+}
+
+sub has_coercion {
+ return defined $_[0]->coercion;
+}
+
sub _actually_compile_type_constraint {
my $self = shift;