Definition of "mixin" [mixin]

• In object-oriented programming, an uninstantiable class that provides functionality to be inherited by a subclass. (noun)

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• "(** DEPRECATED**) access regular expressions for a keyword mixin methods for TokenList and TokenListPP"
• "Well, I didn't exactly like the idea of mixin 'up with a fam'ly surprise party like that; but Dyke is so anxious for me to go along, and he gets me so curious to see what'll happen at the reunion, that I fin'lly grabs my coat and hat, and out we trails."
• "I want to define the relationship for my users and their groups with declarative style (so that the relating model can inherit Timestamp mixin and Tablename mixin): class User (DeclarativeBase, Tablename, TimestampMixin):"