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setup_mixin_cache
Combined from primary sources listed below.

In role Metamodel::Mixins§

See primary documentation in context for method setup mixin cache 

method setup_mixin_cache($obj)

Sets up caching of mixins for $obj. After this metamethod has been called, calls to mixin will not create a new type for mixins of $obj given the same list of roles more than once. This should be called at some point before composition.