NAME Moose::Manual::Types - Moose's type system VERSION version 2.2207 TYPES IN PERL? Moose provides its own type system for attributes. You can also use these types to validate method parameters with the help of a MooseX module. Moose's type system is based on a combination of Perl 5's own implicit types and some Perl 6 concepts. You can create your own subtypes with custom constraints, making it