mock.returnsArg | /src/di/tests/deps.ts | hex@0.5.15

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function mock.returnsArg

import { mock } from "https://deno.land/x/hex@0.5.15/src/di/tests/deps.ts";
const { returnsArg } = mock;

returnsArg<Arg, Self = any>(idx: number): (this: Self, ...args: Arg[]) => Arg

Creates a function that returns one of its arguments.

Type Parameters

Arg

optional

Self = any

idx: number

(this: Self, ...args: Arg[]) => Arg