mirror of
https://github.com/swc-project/swc.git
synced 2024-12-29 00:23:10 +03:00
99 lines
3.1 KiB
TypeScript
99 lines
3.1 KiB
TypeScript
// checking assignment compatibility relations for function types. All of these are valid.
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class Base { foo: string; }
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class Derived extends Base { bar: string; }
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class Derived2 extends Derived { baz: string; }
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class OtherDerived extends Base { bing: string; }
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var a: new (x: number) => number[];
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var a2: new (x: number) => string[];
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var a3: new (x: number) => void;
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var a4: new (x: string, y: number) => string;
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var a5: new (x: (arg: string) => number) => string;
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var a6: new (x: (arg: Base) => Derived) => Base;
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var a7: new (x: (arg: Base) => Derived) => (r: Base) => Derived;
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var a8: new (x: (arg: Base) => Derived, y: (arg2: Base) => Derived) => (r: Base) => Derived;
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var a9: new (x: (arg: Base) => Derived, y: (arg2: Base) => Derived) => (r: Base) => Derived;
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var a10: new (...x: Derived[]) => Derived;
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var a11: new (x: { foo: string }, y: { foo: string; bar: string }) => Base;
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var a12: new (x: Array<Base>, y: Array<Derived2>) => Array<Derived>;
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var a13: new (x: Array<Base>, y: Array<Derived>) => Array<Derived>;
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var a14: new (x: { a: string; b: number }) => Object;
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var a15: {
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new (x: number): number[];
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new (x: string): string[];
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}
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var a16: {
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new <T extends Derived>(x: T): number[];
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new <U extends Base>(x: U): number[];
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}
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var a17: {
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new (x: new (a: number) => number): number[];
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new (x: new (a: string) => string): string[];
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};
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var a18: {
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new (x: {
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new (a: number): number;
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new (a: string): string;
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}): any[];
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new (x: {
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new (a: boolean): boolean;
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new (a: Date): Date;
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}): any[];
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}
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var b: new <T>(x: T) => T[];
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a = b; // ok
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b = a; // ok
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var b2: new <T>(x: T) => string[];
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a2 = b2; // ok
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b2 = a2; // ok
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var b3: new <T>(x: T) => T;
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a3 = b3; // ok
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b3 = a3; // ok
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var b4: new <T, U>(x: T, y: U) => T;
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a4 = b4; // ok
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b4 = a4; // ok
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var b5: new <T, U>(x: (arg: T) => U) => T;
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a5 = b5; // ok
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b5 = a5; // ok
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var b6: new <T extends Base, U extends Derived>(x: (arg: T) => U) => T;
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a6 = b6; // ok
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b6 = a6; // ok
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var b7: new <T extends Base, U extends Derived>(x: (arg: T) => U) => (r: T) => U;
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a7 = b7; // ok
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b7 = a7; // ok
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var b8: new <T extends Base, U extends Derived>(x: (arg: T) => U, y: (arg2: T) => U) => (r: T) => U;
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a8 = b8; // ok
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b8 = a8; // ok
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var b9: new <T extends Base, U extends Derived>(x: (arg: T) => U, y: (arg2: { foo: string; bing: number }) => U) => (r: T) => U;
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a9 = b9; // ok
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b9 = a9; // ok
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var b10: new <T extends Derived>(...x: T[]) => T;
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a10 = b10; // ok
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b10 = a10; // ok
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var b11: new <T extends Base>(x: T, y: T) => T;
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a11 = b11; // ok
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b11 = a11; // ok
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var b12: new <T extends Array<Base>>(x: Array<Base>, y: T) => Array<Derived>;
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a12 = b12; // ok
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b12 = a12; // ok
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var b13: new <T extends Array<Derived>>(x: Array<Base>, y: T) => T;
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a13 = b13; // ok
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b13 = a13; // ok
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var b14: new <T>(x: { a: T; b: T }) => T;
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a14 = b14; // ok
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b14 = a14; // ok
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var b15: new <T>(x: T) => T[];
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a15 = b15; // ok
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b15 = a15; // ok
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var b16: new <T extends Base>(x: T) => number[];
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a16 = b16; // ok
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b16 = a16; // ok
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var b17: new <T>(x: new (a: T) => T) => T[]; // ok
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a17 = b17; // ok
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b17 = a17; // ok
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var b18: new <T>(x: new (a: T) => T) => T[];
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a18 = b18; // ok
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b18 = a18; // ok
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