class Metamodel::ParametricRoleHOW
    does Metamodel::Naming
    does Metamodel::Documenting
    does Metamodel::Versioning
    does Metamodel::MethodContainer
    does Metamodel::PrivateMethodContainer
    does Metamodel::MultiMethodContainer
    does Metamodel::AttributeContainer
    does Metamodel::RoleContainer
    does Metamodel::MultipleInheritance
    does Metamodel::Stashing
    does Metamodel::TypePretense
    does Metamodel::RolePunning
    does Metamodel::ArrayType {}

Warning: this class is part of the Rakudo implementation, and is not a part of the language specification.

A Metamodel::ParametricRoleHOW represents a non-instantiated, possibly parameterized, role:

(role Zape[::T{}).HOW.say;# OUTPUT: «Perl6::Metamodel::ParametricRoleHOW.new␤» 
(role Zape {}).HOW.say# OUTPUT: «Perl6::Metamodel::ParametricRoleHOW.new␤» 

As usual, .new_type will create a new object of this class.

my \zipi := Metamodel::ParametricRoleHOW.new_typename => "zape"group => "Zape");
say zipi.HOW# OUTPUT: «Perl6::Metamodel::ParametricRoleHOW.new␤» 

The extra group argument will need to be used to integrate it in a parametric role group, which will need to be defined in advance.

Note: As most of the Metamodel classes, this one is here mainly for illustration purposes and it's not intended for the final user to instantiate, unless their intention is really to create a parametric role group.

Typegraph§

Type relations for Metamodel::ParametricRoleHOW
raku-type-graph Metamodel::ParametricRoleHOW Metamodel::ParametricRoleHOW Any Any Metamodel::ParametricRoleHOW->Any Metamodel::Naming Metamodel::Naming Metamodel::ParametricRoleHOW->Metamodel::Naming Metamodel::Documenting Metamodel::Documenting Metamodel::ParametricRoleHOW->Metamodel::Documenting Metamodel::Versioning Metamodel::Versioning Metamodel::ParametricRoleHOW->Metamodel::Versioning Metamodel::MethodContainer Metamodel::MethodContainer Metamodel::ParametricRoleHOW->Metamodel::MethodContainer Metamodel::PrivateMethodContainer Metamodel::PrivateMethodContainer Metamodel::ParametricRoleHOW->Metamodel::PrivateMethodContainer Metamodel::MultiMethodContainer Metamodel::MultiMethodContainer Metamodel::ParametricRoleHOW->Metamodel::MultiMethodContainer Metamodel::AttributeContainer Metamodel::AttributeContainer Metamodel::ParametricRoleHOW->Metamodel::AttributeContainer Metamodel::RoleContainer Metamodel::RoleContainer Metamodel::ParametricRoleHOW->Metamodel::RoleContainer Metamodel::MultipleInheritance Metamodel::MultipleInheritance Metamodel::ParametricRoleHOW->Metamodel::MultipleInheritance Metamodel::Stashing Metamodel::Stashing Metamodel::ParametricRoleHOW->Metamodel::Stashing Metamodel::TypePretense Metamodel::TypePretense Metamodel::ParametricRoleHOW->Metamodel::TypePretense Metamodel::RolePunning Metamodel::RolePunning Metamodel::ParametricRoleHOW->Metamodel::RolePunning Mu Mu Any->Mu

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