add-mixin-instance ( class mixin -- )
Factor handbook » The language » Objects » Classes » Mixin classes

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Vocabulary
classes.mixin

Inputs

class	a class
mixin	a class

Outputs
None

Word description
Defines a class to be an instance of a mixin class. This is the run time equivalent of INSTANCE:.

Notes
This word must be called from inside with-compilation-unit.

Side effects
Modifies class

See also
mixin-class, define-mixin-class, MIXIN:, INSTANCE:

Definition

USING: classes.mixin.private kernel ;

IN: classes.mixin

: add-mixin-instance ( class mixin -- )
    check-types
    [ 2drop ] [ (add-mixin-instance) ] if-mixin-member? ;