type NumericOperation = (x: nu - 司营 - 沸点 - 掘金

前端开发

#1024一起掘金#
type NumericOperation = (x: number, y: number) => number;
type StringOperation = (x: string, y: string) => string;

type CombinedOperation = NumericOperation & StringOperation;

闲的没事，来点八股文，有会的jym嘛，type CombinedOperation的类型到底是什么，请展开说说

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