class X::Role::Initialization is Exception { }
Thrown when the SomeRole($init)
syntax is used, but SomeRole does not have exactly one public attribute.
For example:
role R { }; "D2" but R(2) CATCH { default { put .^name, ': ', .Str } } # OUTPUT: «X::Role::Initialization: Can only supply an initialization value for a role if it has a single public attribute, but this is not the case for 'R'»
Methods§
method role§
method role()
Returns the role that caused the error.