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Adding testcase for function with rest param defined in jsDoc comment
Test case for #7749
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‎tests/baselines/reference/jsFileCompilationRestParamJsDocFunction.js

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//// [_apply.js]
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/**
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* A faster alternative to `Function#apply`, this function invokes `func`
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* with the `this` binding of `thisArg` and the arguments of `args`.
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*
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* @private
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* @param {Function} func The function to invoke.
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* @param {*} thisArg The `this` binding of `func`.
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* @param {...*} args The arguments to invoke `func` with.
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* @returns {*} Returns the result of `func`.
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*/
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function apply(func, thisArg, args) {
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var length = args.length;
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switch (length) {
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case 0: return func.call(thisArg);
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case 1: return func.call(thisArg, args[0]);
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case 2: return func.call(thisArg, args[0], args[1]);
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case 3: return func.call(thisArg, args[0], args[1], args[2]);
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}
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return func.apply(thisArg, args);
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}
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export default apply;
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//// [apply.js]
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define("_apply", ["require", "exports"], function (require, exports) {
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"use strict";
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/**
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* A faster alternative to `Function#apply`, this function invokes `func`
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* with the `this` binding of `thisArg` and the arguments of `args`.
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*
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* @private
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* @param {Function} func The function to invoke.
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* @param {*} thisArg The `this` binding of `func`.
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* @param {...*} args The arguments to invoke `func` with.
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* @returns {*} Returns the result of `func`.
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*/
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function apply(func, thisArg) {
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var args = [];
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for (var _i = 2; _i < arguments.length; _i++) {
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args[_i - 2] = arguments[_i];
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}
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var length = args.length;
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switch (length) {
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case 0: return func.call(thisArg);
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case 1: return func.call(thisArg, args[0]);
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case 2: return func.call(thisArg, args[0], args[1]);
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case 3: return func.call(thisArg, args[0], args[1], args[2]);
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}
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return func.apply(thisArg, args);
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}
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exports.__esModule = true;
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exports["default"] = apply;
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});

‎tests/baselines/reference/jsFileCompilationRestParamJsDocFunction.symbols

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=== tests/cases/compiler/_apply.js ===
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/**
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* A faster alternative to `Function#apply`, this function invokes `func`
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* with the `this` binding of `thisArg` and the arguments of `args`.
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*
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* @private
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* @param {Function} func The function to invoke.
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* @param {*} thisArg The `this` binding of `func`.
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* @param {...*} args The arguments to invoke `func` with.
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* @returns {*} Returns the result of `func`.
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*/
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function apply(func, thisArg, args) {
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>apply : Symbol(apply, Decl(_apply.js, 0, 0))
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>func : Symbol(func, Decl(_apply.js, 11, 15))
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>thisArg : Symbol(thisArg, Decl(_apply.js, 11, 20))
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>args : Symbol(args, Decl(_apply.js, 11, 29))
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var length = args.length;
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>length : Symbol(length, Decl(_apply.js, 12, 7))
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>args.length : Symbol(Array.length, Decl(lib.d.ts, --, --))
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>args : Symbol(args, Decl(_apply.js, 11, 29))
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>length : Symbol(Array.length, Decl(lib.d.ts, --, --))
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switch (length) {
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>length : Symbol(length, Decl(_apply.js, 12, 7))
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case 0: return func.call(thisArg);
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>func.call : Symbol(Function.call, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
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>func : Symbol(func, Decl(_apply.js, 11, 15))
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>call : Symbol(Function.call, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
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>thisArg : Symbol(thisArg, Decl(_apply.js, 11, 20))
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case 1: return func.call(thisArg, args[0]);
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>func.call : Symbol(Function.call, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
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>func : Symbol(func, Decl(_apply.js, 11, 15))
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>call : Symbol(Function.call, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
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>thisArg : Symbol(thisArg, Decl(_apply.js, 11, 20))
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>args : Symbol(args, Decl(_apply.js, 11, 29))
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case 2: return func.call(thisArg, args[0], args[1]);
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>func.call : Symbol(Function.call, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
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>func : Symbol(func, Decl(_apply.js, 11, 15))
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>call : Symbol(Function.call, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
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>thisArg : Symbol(thisArg, Decl(_apply.js, 11, 20))
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>args : Symbol(args, Decl(_apply.js, 11, 29))
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>args : Symbol(args, Decl(_apply.js, 11, 29))
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case 3: return func.call(thisArg, args[0], args[1], args[2]);
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>func.call : Symbol(Function.call, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
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>func : Symbol(func, Decl(_apply.js, 11, 15))
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>call : Symbol(Function.call, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
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>thisArg : Symbol(thisArg, Decl(_apply.js, 11, 20))
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>args : Symbol(args, Decl(_apply.js, 11, 29))
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>args : Symbol(args, Decl(_apply.js, 11, 29))
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>args : Symbol(args, Decl(_apply.js, 11, 29))
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}
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return func.apply(thisArg, args);
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>func.apply : Symbol(Function.apply, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
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>func : Symbol(func, Decl(_apply.js, 11, 15))
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>apply : Symbol(Function.apply, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
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>thisArg : Symbol(thisArg, Decl(_apply.js, 11, 20))
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>args : Symbol(args, Decl(_apply.js, 11, 29))
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}
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export default apply;
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>apply : Symbol(apply, Decl(_apply.js, 0, 0))
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‎tests/baselines/reference/jsFileCompilationRestParamJsDocFunction.types

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=== tests/cases/compiler/_apply.js ===
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/**
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* A faster alternative to `Function#apply`, this function invokes `func`
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* with the `this` binding of `thisArg` and the arguments of `args`.
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*
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* @private
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* @param {Function} func The function to invoke.
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* @param {*} thisArg The `this` binding of `func`.
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* @param {...*} args The arguments to invoke `func` with.
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* @returns {*} Returns the result of `func`.
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*/
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function apply(func, thisArg, args) {
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>apply : (func: Function, thisArg: any, ...args: any[]) => any
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>func : Function
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>thisArg : any
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>args : any[]
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var length = args.length;
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>length : number
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>args.length : number
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>args : any[]
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>length : number
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switch (length) {
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>length : number
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case 0: return func.call(thisArg);
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>0 : number
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>func.call(thisArg) : any
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>func.call : { <T, U>(this: (this: T, ...argArray: any[]) => U, thisArg: T, ...argArray: any[]): U; (this: Function, thisArg: any, ...argArray: any[]): any; }
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>func : Function
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>call : { <T, U>(this: (this: T, ...argArray: any[]) => U, thisArg: T, ...argArray: any[]): U; (this: Function, thisArg: any, ...argArray: any[]): any; }
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>thisArg : any
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case 1: return func.call(thisArg, args[0]);
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>1 : number
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>func.call(thisArg, args[0]) : any
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>func.call : { <T, U>(this: (this: T, ...argArray: any[]) => U, thisArg: T, ...argArray: any[]): U; (this: Function, thisArg: any, ...argArray: any[]): any; }
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>func : Function
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>call : { <T, U>(this: (this: T, ...argArray: any[]) => U, thisArg: T, ...argArray: any[]): U; (this: Function, thisArg: any, ...argArray: any[]): any; }
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>thisArg : any
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>args[0] : any
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>args : any[]
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>0 : number
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case 2: return func.call(thisArg, args[0], args[1]);
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>2 : number
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>func.call(thisArg, args[0], args[1]) : any
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>func.call : { <T, U>(this: (this: T, ...argArray: any[]) => U, thisArg: T, ...argArray: any[]): U; (this: Function, thisArg: any, ...argArray: any[]): any; }
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>func : Function
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>call : { <T, U>(this: (this: T, ...argArray: any[]) => U, thisArg: T, ...argArray: any[]): U; (this: Function, thisArg: any, ...argArray: any[]): any; }
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>thisArg : any
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>args[0] : any
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>args : any[]
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>0 : number
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>args[1] : any
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>args : any[]
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>1 : number
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case 3: return func.call(thisArg, args[0], args[1], args[2]);
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>3 : number
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>func.call(thisArg, args[0], args[1], args[2]) : any
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>func.call : { <T, U>(this: (this: T, ...argArray: any[]) => U, thisArg: T, ...argArray: any[]): U; (this: Function, thisArg: any, ...argArray: any[]): any; }
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>func : Function
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>call : { <T, U>(this: (this: T, ...argArray: any[]) => U, thisArg: T, ...argArray: any[]): U; (this: Function, thisArg: any, ...argArray: any[]): any; }
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>thisArg : any
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>args[0] : any
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>args : any[]
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>0 : number
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>args[1] : any
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>args : any[]
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>1 : number
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>args[2] : any
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>args : any[]
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>2 : number
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}
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return func.apply(thisArg, args);
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>func.apply(thisArg, args) : any
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>func.apply : { <T, U>(this: (this: T, ...argArray: any[]) => U, thisArg: T, argArray?: any): U; (this: Function, thisArg: any, argArray?: any): any; }
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>func : Function
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>apply : { <T, U>(this: (this: T, ...argArray: any[]) => U, thisArg: T, argArray?: any): U; (this: Function, thisArg: any, argArray?: any): any; }
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>thisArg : any
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>args : any[]
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}
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export default apply;
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>apply : (func: Function, thisArg: any, ...args: any[]) => any
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‎tests/cases/compiler/jsFileCompilationRestParamJsDocFunction.ts

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// @allowJs: true
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// @out: apply.js
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// @module: amd
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// @filename: _apply.js
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/**
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* A faster alternative to `Function#apply`, this function invokes `func`
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* with the `this` binding of `thisArg` and the arguments of `args`.
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*
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* @private
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* @param {Function} func The function to invoke.
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* @param {*} thisArg The `this` binding of `func`.
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* @param {...*} args The arguments to invoke `func` with.
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* @returns {*} Returns the result of `func`.
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*/
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function apply(func, thisArg, args) {
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var length = args.length;
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switch (length) {
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case 0: return func.call(thisArg);
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case 1: return func.call(thisArg, args[0]);
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case 2: return func.call(thisArg, args[0], args[1]);
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case 3: return func.call(thisArg, args[0], args[1], args[2]);
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}
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return func.apply(thisArg, args);
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}
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export default apply;

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