Rules / Types, classes & roles / metamodel

Metamodel::RolePunning Reference

Metaobject that supports I<punning> of roles.

What it is #

Position in the hierarchy #


Inherits from	—
Does	—
Consumed by	`Metamodel::CurriedRoleHOW`, `Metamodel::ParametricRoleGroupHOW`, `Metamodel::ParametricRoleHOW`

Examples, run three ways #

Every example below comes from the official documentation, together with the output that documentation asserts. Each was then executed by Rakudo and by Raku++ when this page was built. Where the three agree, one result is shown; where they do not, all three are — because which of them is wrong is exactly the information worth having.

1 no-output · 1 ok

role Perl6::Metamodel::RolePunning {}

Not executed: the documentation states no expected output for this example.

role A {
method b {
  return "punned"
}
};
my $a = A.new;
say $a.b; # OUTPUT: «punned␤»

Output

punned

Documentation, Rakudo and Raku++ all agree.