360 lines
14 KiB
TypeScript
360 lines
14 KiB
TypeScript
//// [genericRestParameters1.ts]
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declare let f1: (...x: [number, string, boolean]) => void;
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declare let f2: (x0: number, x1: string, x2: boolean) => void;
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f1 = f2;
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f2 = f1;
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declare const t3: [number, string, boolean];
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declare const t2: [string, boolean];
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declare const t1: [boolean];
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declare const t0: [];
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declare const ns: [number, string];
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declare const sn: [string, number];
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f1(42, "hello", true);
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f1(t3[0], t3[1], t3[2]);
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f1(...t3);
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f1(42, ...t2);
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f1(42, "hello", ...t1);
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f1(42, "hello", true, ...t0);
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f1(ns[0], ns[1], true);
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f1(...ns, true); // FIXME: Error, since ...ns is considered as string|number here
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f2(42, "hello", true);
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f2(t3[0], t3[1], t3[2]);
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f2(...t3);
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f2(42, ...t2);
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f2(42, "hello", ...t1);
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f2(42, "hello", true, ...t0);
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f2(ns[0], ns[1], true);
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f2(...ns, true); // FIXME: Error, since ...ns is considered as string|number here
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declare function f10<T extends unknown[]>(...args: T): T;
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const x10 = f10(42, "hello", true); // [number, string, boolean]
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const x11 = f10(42, "hello"); // [number, string]
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const x12 = f10(42); // [number]
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const x13 = f10(); // []
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const x14 = f10(...t3); // [number, string, boolean]
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const x15 = f10(42, ...t2); // [number, string, boolean]
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const x16 = f10(42, "hello", ...t1); // [number, string, boolean]
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const x17 = f10(42, "hello", true, ...t0); // [number, string, boolean]
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const x18 = f10(...ns, true); // (string | number | boolean)[]
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function g10<U extends string[], V extends [number, number]>(u: U, v: V) {
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let x1 = f10(...u); // U
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let x2 = f10(...v); // V
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let x3 = f10(1, ...u); // [number, ...string[]]
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let x4 = f10(...u, ...v); // (string | number)[]
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}
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declare function f11<T extends (string | number | boolean)[]>(...args: T): T;
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const z10 = f11(42, "hello", true); // [42, "hello", true]
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const z11 = f11(42, "hello"); // [42, "hello"]
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const z12 = f11(42); // [42]
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const z13 = f11(); // []
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const z14 = f11(...t3); // [number, string, boolean]
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const z15 = f11(42, ...t2); // [42, string, boolean]
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const z16 = f11(42, "hello", ...t1); // [42, "hello", boolean]
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const z17 = f11(42, "hello", true, ...t0); // [42, "hello", true]
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const z18 = f11(...ns, true); // (string | number | true)[]
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function g11<U extends string[], V extends [number, number]>(u: U, v: V) {
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let x1 = f11(...u); // U
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let x2 = f11(...v); // V
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let x3 = f11(1, ...u); // [1, ...string[]]
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let x4 = f11(...u, ...v); // (string | number)[]
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}
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function call<T extends unknown[], U>(f: (...args: T) => U, ...args: T) {
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return f(...args);
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}
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function callr<T extends unknown[], U>(args: T, f: (...args: T) => U) {
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return f(...args);
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}
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declare function f15(a: string, b: number): string | number;
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declare function f16<A, B>(a: A, b: B): A | B;
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let x20 = call((x, y) => x + y, 10, 20); // number
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let x21 = call((x, y) => x + y, 10, "hello"); // string
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let x22 = call(f15, "hello", 42); // string | number
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let x23 = call(f16, "hello", 42); // unknown
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let x24 = call<[string, number], string | number>(f16, "hello", 42); // string | number
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let x30 = callr(sn, (x, y) => x + y); // string
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let x31 = callr(sn, f15); // string | number
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let x32 = callr(sn, f16); // string | number
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function bind<T, U extends unknown[], V>(f: (x: T, ...rest: U) => V, x: T) {
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return (...rest: U) => f(x, ...rest);
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}
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declare const f20: (x: number, y: string, z: boolean) => string[];
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const f21 = bind(f20, 42); // (y: string, z: boolean) => string[]
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const f22 = bind(f21, "hello"); // (z: boolean) => string[]
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const f23 = bind(f22, true); // () => string[]
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f20(42, "hello", true);
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f21("hello", true);
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f22(true);
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f23();
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declare const g20: (x: number, y?: string, z?: boolean) => string[];
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const g21 = bind(g20, 42); // (y: string, z: boolean) => string[]
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const g22 = bind(g21, "hello"); // (z: boolean) => string[]
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const g23 = bind(g22, true); // () => string[]
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g20(42, "hello", true);
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g20(42, "hello");
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g20(42);
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g21("hello", true);
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g21("hello");
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g21();
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g22(true);
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g22();
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g23();
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declare function f30<T, U extends ((x: T) => any)[]>(x: T, ...args: U): U;
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const c30 = f30(42, x => "" + x, x => x + 1); // [(x: number) => string, (x: number) => number]
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type T01 = Parameters<(x: number, y: string, z: boolean) => void>;
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type T02 = Parameters<(...args: [number, string, boolean]) => void>;
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type T03 = ConstructorParameters<new (x: number, y: string, z: boolean) => void>;
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type T04 = ConstructorParameters<new (...args: [number, string, boolean]) => void>;
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type T05<T> = Parameters<(...args: T[]) => void>;
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type T06<T> = ConstructorParameters<new (...args: []) => void>;
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type T07<T extends any[]> = Parameters<(...args: T) => void>;
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type T08<T extends any[]> = ConstructorParameters<new (...args: T) => void>;
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type T09 = Parameters<Function>;
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type Record1 = {
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move: [number, 'left' | 'right'];
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jump: [number, 'up' | 'down'];
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stop: string;
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done: [];
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}
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type EventType<T> = {
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emit<K extends keyof T = keyof T>(e: K, ...payload: T[K] extends any[] ? T[K] : [T[K]]): void;
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}
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declare var events: EventType<Record1>;
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events.emit('move', 10, 'left');
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events.emit('jump', 20, 'up');
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events.emit('stop', 'Bye!');
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events.emit('done');
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// Repro from #25871
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declare var ff1: (... args: any[]) => void;
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declare var ff2: () => void;
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declare var ff3: (...args: []) => void;
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declare var ff4: (a: never) => void;
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ff1 = ff2;
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ff1 = ff3;
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ff1 = ff4; // Error
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//// [genericRestParameters1.js]
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"use strict";
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var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
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if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
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if (ar || !(i in from)) {
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if (!ar) ar = Array.prototype.slice.call(from, 0, i);
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ar[i] = from[i];
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}
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}
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return to.concat(ar || Array.prototype.slice.call(from));
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};
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f1 = f2;
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f2 = f1;
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f1(42, "hello", true);
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f1(t3[0], t3[1], t3[2]);
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f1.apply(void 0, t3);
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f1.apply(void 0, __spreadArray([42], t2, false));
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f1.apply(void 0, __spreadArray([42, "hello"], t1, false));
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f1.apply(void 0, __spreadArray([42, "hello", true], t0, false));
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f1(ns[0], ns[1], true);
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f1.apply(void 0, __spreadArray(__spreadArray([], ns, false), [true], false)); // FIXME: Error, since ...ns is considered as string|number here
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f2(42, "hello", true);
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f2(t3[0], t3[1], t3[2]);
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f2.apply(void 0, t3);
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f2.apply(void 0, __spreadArray([42], t2, false));
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f2.apply(void 0, __spreadArray([42, "hello"], t1, false));
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f2.apply(void 0, __spreadArray([42, "hello", true], t0, false));
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f2(ns[0], ns[1], true);
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f2.apply(void 0, __spreadArray(__spreadArray([], ns, false), [true], false)); // FIXME: Error, since ...ns is considered as string|number here
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var x10 = f10(42, "hello", true); // [number, string, boolean]
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var x11 = f10(42, "hello"); // [number, string]
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var x12 = f10(42); // [number]
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var x13 = f10(); // []
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var x14 = f10.apply(void 0, t3); // [number, string, boolean]
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var x15 = f10.apply(void 0, __spreadArray([42], t2, false)); // [number, string, boolean]
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var x16 = f10.apply(void 0, __spreadArray([42, "hello"], t1, false)); // [number, string, boolean]
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var x17 = f10.apply(void 0, __spreadArray([42, "hello", true], t0, false)); // [number, string, boolean]
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var x18 = f10.apply(void 0, __spreadArray(__spreadArray([], ns, false), [true], false)); // (string | number | boolean)[]
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function g10(u, v) {
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var x1 = f10.apply(void 0, u); // U
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var x2 = f10.apply(void 0, v); // V
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var x3 = f10.apply(void 0, __spreadArray([1], u, false)); // [number, ...string[]]
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var x4 = f10.apply(void 0, __spreadArray(__spreadArray([], u, false), v, false)); // (string | number)[]
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}
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var z10 = f11(42, "hello", true); // [42, "hello", true]
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var z11 = f11(42, "hello"); // [42, "hello"]
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var z12 = f11(42); // [42]
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var z13 = f11(); // []
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var z14 = f11.apply(void 0, t3); // [number, string, boolean]
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var z15 = f11.apply(void 0, __spreadArray([42], t2, false)); // [42, string, boolean]
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var z16 = f11.apply(void 0, __spreadArray([42, "hello"], t1, false)); // [42, "hello", boolean]
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var z17 = f11.apply(void 0, __spreadArray([42, "hello", true], t0, false)); // [42, "hello", true]
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var z18 = f11.apply(void 0, __spreadArray(__spreadArray([], ns, false), [true], false)); // (string | number | true)[]
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function g11(u, v) {
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var x1 = f11.apply(void 0, u); // U
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var x2 = f11.apply(void 0, v); // V
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var x3 = f11.apply(void 0, __spreadArray([1], u, false)); // [1, ...string[]]
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var x4 = f11.apply(void 0, __spreadArray(__spreadArray([], u, false), v, false)); // (string | number)[]
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}
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function call(f) {
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var args = [];
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for (var _i = 1; _i < arguments.length; _i++) {
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args[_i - 1] = arguments[_i];
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}
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return f.apply(void 0, args);
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}
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function callr(args, f) {
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return f.apply(void 0, args);
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}
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var x20 = call(function (x, y) { return x + y; }, 10, 20); // number
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var x21 = call(function (x, y) { return x + y; }, 10, "hello"); // string
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var x22 = call(f15, "hello", 42); // string | number
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var x23 = call(f16, "hello", 42); // unknown
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var x24 = call(f16, "hello", 42); // string | number
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var x30 = callr(sn, function (x, y) { return x + y; }); // string
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var x31 = callr(sn, f15); // string | number
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var x32 = callr(sn, f16); // string | number
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function bind(f, x) {
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return function () {
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var rest = [];
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for (var _i = 0; _i < arguments.length; _i++) {
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rest[_i] = arguments[_i];
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}
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return f.apply(void 0, __spreadArray([x], rest, false));
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};
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}
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var f21 = bind(f20, 42); // (y: string, z: boolean) => string[]
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var f22 = bind(f21, "hello"); // (z: boolean) => string[]
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var f23 = bind(f22, true); // () => string[]
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f20(42, "hello", true);
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f21("hello", true);
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f22(true);
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f23();
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var g21 = bind(g20, 42); // (y: string, z: boolean) => string[]
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var g22 = bind(g21, "hello"); // (z: boolean) => string[]
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var g23 = bind(g22, true); // () => string[]
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g20(42, "hello", true);
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g20(42, "hello");
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g20(42);
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g21("hello", true);
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g21("hello");
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g21();
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g22(true);
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g22();
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g23();
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var c30 = f30(42, function (x) { return "" + x; }, function (x) { return x + 1; }); // [(x: number) => string, (x: number) => number]
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events.emit('move', 10, 'left');
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events.emit('jump', 20, 'up');
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events.emit('stop', 'Bye!');
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events.emit('done');
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ff1 = ff2;
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ff1 = ff3;
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ff1 = ff4; // Error
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//// [genericRestParameters1.d.ts]
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declare let f1: (...x: [number, string, boolean]) => void;
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declare let f2: (x0: number, x1: string, x2: boolean) => void;
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declare const t3: [number, string, boolean];
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declare const t2: [string, boolean];
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declare const t1: [boolean];
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declare const t0: [];
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declare const ns: [number, string];
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declare const sn: [string, number];
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declare function f10<T extends unknown[]>(...args: T): T;
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declare const x10: [number, string, boolean];
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declare const x11: [number, string];
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declare const x12: [number];
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declare const x13: [];
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declare const x14: [number, string, boolean];
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declare const x15: [number, string, boolean];
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declare const x16: [number, string, boolean];
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declare const x17: [number, string, boolean];
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declare const x18: [number, string, boolean];
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declare function g10<U extends string[], V extends [number, number]>(u: U, v: V): void;
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declare function f11<T extends (string | number | boolean)[]>(...args: T): T;
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declare const z10: [42, "hello", true];
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declare const z11: [42, "hello"];
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declare const z12: [42];
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declare const z13: [];
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declare const z14: [number, string, boolean];
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declare const z15: [42, string, boolean];
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declare const z16: [42, "hello", boolean];
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declare const z17: [42, "hello", true];
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declare const z18: [number, string, true];
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declare function g11<U extends string[], V extends [number, number]>(u: U, v: V): void;
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declare function call<T extends unknown[], U>(f: (...args: T) => U, ...args: T): U;
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declare function callr<T extends unknown[], U>(args: T, f: (...args: T) => U): U;
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declare function f15(a: string, b: number): string | number;
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declare function f16<A, B>(a: A, b: B): A | B;
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declare let x20: number;
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declare let x21: string;
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declare let x22: string | number;
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declare let x23: string | number;
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declare let x24: string | number;
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declare let x30: string;
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declare let x31: string | number;
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declare let x32: string | number;
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declare function bind<T, U extends unknown[], V>(f: (x: T, ...rest: U) => V, x: T): (...rest: U) => V;
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declare const f20: (x: number, y: string, z: boolean) => string[];
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declare const f21: (y: string, z: boolean) => string[];
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declare const f22: (z: boolean) => string[];
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declare const f23: () => string[];
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declare const g20: (x: number, y?: string, z?: boolean) => string[];
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declare const g21: (y?: string | undefined, z?: boolean | undefined) => string[];
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declare const g22: (z?: boolean | undefined) => string[];
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declare const g23: () => string[];
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declare function f30<T, U extends ((x: T) => any)[]>(x: T, ...args: U): U;
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declare const c30: [(x: number) => string, (x: number) => number];
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declare type T01 = Parameters<(x: number, y: string, z: boolean) => void>;
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declare type T02 = Parameters<(...args: [number, string, boolean]) => void>;
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declare type T03 = ConstructorParameters<new (x: number, y: string, z: boolean) => void>;
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declare type T04 = ConstructorParameters<new (...args: [number, string, boolean]) => void>;
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declare type T05<T> = Parameters<(...args: T[]) => void>;
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declare type T06<T> = ConstructorParameters<new (...args: []) => void>;
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declare type T07<T extends any[]> = Parameters<(...args: T) => void>;
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declare type T08<T extends any[]> = ConstructorParameters<new (...args: T) => void>;
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declare type T09 = Parameters<Function>;
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declare type Record1 = {
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move: [number, 'left' | 'right'];
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jump: [number, 'up' | 'down'];
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stop: string;
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done: [];
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};
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declare type EventType<T> = {
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emit<K extends keyof T = keyof T>(e: K, ...payload: T[K] extends any[] ? T[K] : [T[K]]): void;
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};
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declare var events: EventType<Record1>;
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declare var ff1: (...args: any[]) => void;
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declare var ff2: () => void;
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declare var ff3: (...args: []) => void;
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declare var ff4: (a: never) => void;
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