typelab/docs/aliases/Function.md at main · codeismyid/typelab

type Function<Params, Return> = (...param) => Return;

Type that represents a function that takes specified parameters types and returns a specified type.

Type Parameters

Type Parameter	Default type	Description
`Params` extends `ReadonlyArray`	`Any`[]	The parameters types of the function as an array, defaults to `any[]`.
`Return`	`Any`	The return type of the function, defaults to `any`.

Parameter	Type
...`param`	`Params`

Return

// MyFunction is (param_0: number, param_1: string) => string
type MyFunction = Function<[number, string], string>;