693 lines
28 KiB
Text
693 lines
28 KiB
Text
=== tests/cases/conformance/types/conditional/inferTypes1.ts ===
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type Unpacked<T> =
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>Unpacked : Symbol(Unpacked, Decl(inferTypes1.ts, 0, 0))
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>T : Symbol(T, Decl(inferTypes1.ts, 0, 14))
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T extends (infer U)[] ? U :
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>T : Symbol(T, Decl(inferTypes1.ts, 0, 14))
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>U : Symbol(U, Decl(inferTypes1.ts, 1, 20))
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>U : Symbol(U, Decl(inferTypes1.ts, 1, 20))
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T extends (...args: any[]) => infer U ? U :
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>T : Symbol(T, Decl(inferTypes1.ts, 0, 14))
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>args : Symbol(args, Decl(inferTypes1.ts, 2, 15))
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>U : Symbol(U, Decl(inferTypes1.ts, 2, 39))
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>U : Symbol(U, Decl(inferTypes1.ts, 2, 39))
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T extends Promise<infer U> ? U :
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>T : Symbol(T, Decl(inferTypes1.ts, 0, 14))
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>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --))
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>U : Symbol(U, Decl(inferTypes1.ts, 3, 27))
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>U : Symbol(U, Decl(inferTypes1.ts, 3, 27))
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T;
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>T : Symbol(T, Decl(inferTypes1.ts, 0, 14))
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type T00 = Unpacked<string>; // string
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>T00 : Symbol(T00, Decl(inferTypes1.ts, 4, 6))
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>Unpacked : Symbol(Unpacked, Decl(inferTypes1.ts, 0, 0))
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type T01 = Unpacked<string[]>; // string
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>T01 : Symbol(T01, Decl(inferTypes1.ts, 6, 28))
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>Unpacked : Symbol(Unpacked, Decl(inferTypes1.ts, 0, 0))
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type T02 = Unpacked<() => string>; // string
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>T02 : Symbol(T02, Decl(inferTypes1.ts, 7, 30))
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>Unpacked : Symbol(Unpacked, Decl(inferTypes1.ts, 0, 0))
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type T03 = Unpacked<Promise<string>>; // string
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>T03 : Symbol(T03, Decl(inferTypes1.ts, 8, 34))
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>Unpacked : Symbol(Unpacked, Decl(inferTypes1.ts, 0, 0))
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>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --))
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type T04 = Unpacked<Unpacked<Promise<string>[]>>; // string
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>T04 : Symbol(T04, Decl(inferTypes1.ts, 9, 37))
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>Unpacked : Symbol(Unpacked, Decl(inferTypes1.ts, 0, 0))
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>Unpacked : Symbol(Unpacked, Decl(inferTypes1.ts, 0, 0))
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>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --))
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type T05 = Unpacked<any>; // any
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>T05 : Symbol(T05, Decl(inferTypes1.ts, 10, 49))
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>Unpacked : Symbol(Unpacked, Decl(inferTypes1.ts, 0, 0))
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type T06 = Unpacked<never>; // never
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>T06 : Symbol(T06, Decl(inferTypes1.ts, 11, 25))
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>Unpacked : Symbol(Unpacked, Decl(inferTypes1.ts, 0, 0))
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function f1(s: string) {
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>f1 : Symbol(f1, Decl(inferTypes1.ts, 12, 27))
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>s : Symbol(s, Decl(inferTypes1.ts, 14, 12))
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return { a: 1, b: s };
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>a : Symbol(a, Decl(inferTypes1.ts, 15, 12))
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>b : Symbol(b, Decl(inferTypes1.ts, 15, 18))
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>s : Symbol(s, Decl(inferTypes1.ts, 14, 12))
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}
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class C {
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>C : Symbol(C, Decl(inferTypes1.ts, 16, 1))
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x = 0;
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>x : Symbol(C.x, Decl(inferTypes1.ts, 18, 9))
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y = 0;
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>y : Symbol(C.y, Decl(inferTypes1.ts, 19, 10))
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}
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type T10 = ReturnType<() => string>; // string
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>T10 : Symbol(T10, Decl(inferTypes1.ts, 21, 1))
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>ReturnType : Symbol(ReturnType, Decl(lib.es5.d.ts, --, --))
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type T11 = ReturnType<(s: string) => void>; // void
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>T11 : Symbol(T11, Decl(inferTypes1.ts, 23, 36))
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>ReturnType : Symbol(ReturnType, Decl(lib.es5.d.ts, --, --))
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>s : Symbol(s, Decl(inferTypes1.ts, 24, 23))
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type T12 = ReturnType<(<T>() => T)>; // {}
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>T12 : Symbol(T12, Decl(inferTypes1.ts, 24, 43))
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>ReturnType : Symbol(ReturnType, Decl(lib.es5.d.ts, --, --))
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>T : Symbol(T, Decl(inferTypes1.ts, 25, 24))
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>T : Symbol(T, Decl(inferTypes1.ts, 25, 24))
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type T13 = ReturnType<(<T extends U, U extends number[]>() => T)>; // number[]
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>T13 : Symbol(T13, Decl(inferTypes1.ts, 25, 36))
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>ReturnType : Symbol(ReturnType, Decl(lib.es5.d.ts, --, --))
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>T : Symbol(T, Decl(inferTypes1.ts, 26, 24))
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>U : Symbol(U, Decl(inferTypes1.ts, 26, 36))
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>U : Symbol(U, Decl(inferTypes1.ts, 26, 36))
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>T : Symbol(T, Decl(inferTypes1.ts, 26, 24))
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type T14 = ReturnType<typeof f1>; // { a: number, b: string }
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>T14 : Symbol(T14, Decl(inferTypes1.ts, 26, 66))
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>ReturnType : Symbol(ReturnType, Decl(lib.es5.d.ts, --, --))
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>f1 : Symbol(f1, Decl(inferTypes1.ts, 12, 27))
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type T15 = ReturnType<any>; // any
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>T15 : Symbol(T15, Decl(inferTypes1.ts, 27, 33))
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>ReturnType : Symbol(ReturnType, Decl(lib.es5.d.ts, --, --))
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type T16 = ReturnType<never>; // never
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>T16 : Symbol(T16, Decl(inferTypes1.ts, 28, 27))
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>ReturnType : Symbol(ReturnType, Decl(lib.es5.d.ts, --, --))
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type T17 = ReturnType<string>; // Error
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>T17 : Symbol(T17, Decl(inferTypes1.ts, 29, 29))
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>ReturnType : Symbol(ReturnType, Decl(lib.es5.d.ts, --, --))
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type T18 = ReturnType<Function>; // Error
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>T18 : Symbol(T18, Decl(inferTypes1.ts, 30, 30))
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>ReturnType : Symbol(ReturnType, Decl(lib.es5.d.ts, --, --))
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>Function : Symbol(Function, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
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type U10 = InstanceType<typeof C>; // C
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>U10 : Symbol(U10, Decl(inferTypes1.ts, 31, 32))
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>InstanceType : Symbol(InstanceType, Decl(lib.es5.d.ts, --, --))
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>C : Symbol(C, Decl(inferTypes1.ts, 16, 1))
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type U11 = InstanceType<any>; // any
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>U11 : Symbol(U11, Decl(inferTypes1.ts, 33, 34))
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>InstanceType : Symbol(InstanceType, Decl(lib.es5.d.ts, --, --))
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type U12 = InstanceType<never>; // never
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>U12 : Symbol(U12, Decl(inferTypes1.ts, 34, 29))
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>InstanceType : Symbol(InstanceType, Decl(lib.es5.d.ts, --, --))
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type U13 = InstanceType<string>; // Error
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>U13 : Symbol(U13, Decl(inferTypes1.ts, 35, 31))
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>InstanceType : Symbol(InstanceType, Decl(lib.es5.d.ts, --, --))
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type U14 = InstanceType<Function>; // Error
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>U14 : Symbol(U14, Decl(inferTypes1.ts, 36, 32))
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>InstanceType : Symbol(InstanceType, Decl(lib.es5.d.ts, --, --))
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>Function : Symbol(Function, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
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type ArgumentType<T extends (x: any) => any> = T extends (a: infer A) => any ? A : any;
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>ArgumentType : Symbol(ArgumentType, Decl(inferTypes1.ts, 37, 34))
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>T : Symbol(T, Decl(inferTypes1.ts, 39, 18))
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>x : Symbol(x, Decl(inferTypes1.ts, 39, 29))
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>T : Symbol(T, Decl(inferTypes1.ts, 39, 18))
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>a : Symbol(a, Decl(inferTypes1.ts, 39, 58))
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>A : Symbol(A, Decl(inferTypes1.ts, 39, 66))
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>A : Symbol(A, Decl(inferTypes1.ts, 39, 66))
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type T20 = ArgumentType<() => void>; // {}
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>T20 : Symbol(T20, Decl(inferTypes1.ts, 39, 87))
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>ArgumentType : Symbol(ArgumentType, Decl(inferTypes1.ts, 37, 34))
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type T21 = ArgumentType<(x: string) => number>; // string
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>T21 : Symbol(T21, Decl(inferTypes1.ts, 41, 36))
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>ArgumentType : Symbol(ArgumentType, Decl(inferTypes1.ts, 37, 34))
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>x : Symbol(x, Decl(inferTypes1.ts, 42, 25))
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type T22 = ArgumentType<(x?: string) => number>; // string | undefined
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>T22 : Symbol(T22, Decl(inferTypes1.ts, 42, 47))
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>ArgumentType : Symbol(ArgumentType, Decl(inferTypes1.ts, 37, 34))
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>x : Symbol(x, Decl(inferTypes1.ts, 43, 25))
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type T23 = ArgumentType<(...args: string[]) => number>; // string
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>T23 : Symbol(T23, Decl(inferTypes1.ts, 43, 48))
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>ArgumentType : Symbol(ArgumentType, Decl(inferTypes1.ts, 37, 34))
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>args : Symbol(args, Decl(inferTypes1.ts, 44, 25))
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type T24 = ArgumentType<(x: string, y: string) => number>; // Error
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>T24 : Symbol(T24, Decl(inferTypes1.ts, 44, 55))
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>ArgumentType : Symbol(ArgumentType, Decl(inferTypes1.ts, 37, 34))
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>x : Symbol(x, Decl(inferTypes1.ts, 45, 25))
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>y : Symbol(y, Decl(inferTypes1.ts, 45, 35))
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type T25 = ArgumentType<Function>; // Error
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>T25 : Symbol(T25, Decl(inferTypes1.ts, 45, 58))
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>ArgumentType : Symbol(ArgumentType, Decl(inferTypes1.ts, 37, 34))
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>Function : Symbol(Function, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
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type T26 = ArgumentType<any>; // any
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>T26 : Symbol(T26, Decl(inferTypes1.ts, 46, 34))
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>ArgumentType : Symbol(ArgumentType, Decl(inferTypes1.ts, 37, 34))
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type T27 = ArgumentType<never>; // never
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>T27 : Symbol(T27, Decl(inferTypes1.ts, 47, 29))
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>ArgumentType : Symbol(ArgumentType, Decl(inferTypes1.ts, 37, 34))
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type X1<T extends { x: any, y: any }> = T extends { x: infer X, y: infer Y } ? [X, Y] : any;
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>X1 : Symbol(X1, Decl(inferTypes1.ts, 48, 31))
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>T : Symbol(T, Decl(inferTypes1.ts, 50, 8))
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>x : Symbol(x, Decl(inferTypes1.ts, 50, 19))
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>y : Symbol(y, Decl(inferTypes1.ts, 50, 27))
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>T : Symbol(T, Decl(inferTypes1.ts, 50, 8))
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>x : Symbol(x, Decl(inferTypes1.ts, 50, 51))
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>X : Symbol(X, Decl(inferTypes1.ts, 50, 60))
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>y : Symbol(y, Decl(inferTypes1.ts, 50, 63))
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>Y : Symbol(Y, Decl(inferTypes1.ts, 50, 72))
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>X : Symbol(X, Decl(inferTypes1.ts, 50, 60))
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>Y : Symbol(Y, Decl(inferTypes1.ts, 50, 72))
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type T30 = X1<{ x: any, y: any }>; // [any, any]
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>T30 : Symbol(T30, Decl(inferTypes1.ts, 50, 92))
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>X1 : Symbol(X1, Decl(inferTypes1.ts, 48, 31))
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>x : Symbol(x, Decl(inferTypes1.ts, 52, 15))
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>y : Symbol(y, Decl(inferTypes1.ts, 52, 23))
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type T31 = X1<{ x: number, y: string }>; // [number, string]
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>T31 : Symbol(T31, Decl(inferTypes1.ts, 52, 34))
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>X1 : Symbol(X1, Decl(inferTypes1.ts, 48, 31))
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>x : Symbol(x, Decl(inferTypes1.ts, 53, 15))
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>y : Symbol(y, Decl(inferTypes1.ts, 53, 26))
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type T32 = X1<{ x: number, y: string, z: boolean }>; // [number, string]
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>T32 : Symbol(T32, Decl(inferTypes1.ts, 53, 40))
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>X1 : Symbol(X1, Decl(inferTypes1.ts, 48, 31))
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>x : Symbol(x, Decl(inferTypes1.ts, 54, 15))
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>y : Symbol(y, Decl(inferTypes1.ts, 54, 26))
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>z : Symbol(z, Decl(inferTypes1.ts, 54, 37))
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type X2<T> = T extends { a: infer U, b: infer U } ? U : never;
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>X2 : Symbol(X2, Decl(inferTypes1.ts, 54, 52))
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>T : Symbol(T, Decl(inferTypes1.ts, 56, 8))
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>T : Symbol(T, Decl(inferTypes1.ts, 56, 8))
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>a : Symbol(a, Decl(inferTypes1.ts, 56, 24))
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>U : Symbol(U, Decl(inferTypes1.ts, 56, 33), Decl(inferTypes1.ts, 56, 45))
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>b : Symbol(b, Decl(inferTypes1.ts, 56, 36))
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>U : Symbol(U, Decl(inferTypes1.ts, 56, 33), Decl(inferTypes1.ts, 56, 45))
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>U : Symbol(U, Decl(inferTypes1.ts, 56, 33), Decl(inferTypes1.ts, 56, 45))
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type T40 = X2<{}>; // never
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>T40 : Symbol(T40, Decl(inferTypes1.ts, 56, 62))
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>X2 : Symbol(X2, Decl(inferTypes1.ts, 54, 52))
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type T41 = X2<{ a: string }>; // never
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>T41 : Symbol(T41, Decl(inferTypes1.ts, 58, 18))
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>X2 : Symbol(X2, Decl(inferTypes1.ts, 54, 52))
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>a : Symbol(a, Decl(inferTypes1.ts, 59, 15))
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type T42 = X2<{ a: string, b: string }>; // string
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>T42 : Symbol(T42, Decl(inferTypes1.ts, 59, 29))
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>X2 : Symbol(X2, Decl(inferTypes1.ts, 54, 52))
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>a : Symbol(a, Decl(inferTypes1.ts, 60, 15))
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>b : Symbol(b, Decl(inferTypes1.ts, 60, 26))
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type T43 = X2<{ a: number, b: string }>; // string | number
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>T43 : Symbol(T43, Decl(inferTypes1.ts, 60, 40))
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>X2 : Symbol(X2, Decl(inferTypes1.ts, 54, 52))
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>a : Symbol(a, Decl(inferTypes1.ts, 61, 15))
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>b : Symbol(b, Decl(inferTypes1.ts, 61, 26))
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type T44 = X2<{ a: number, b: string, c: boolean }>; // string | number
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>T44 : Symbol(T44, Decl(inferTypes1.ts, 61, 40))
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>X2 : Symbol(X2, Decl(inferTypes1.ts, 54, 52))
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>a : Symbol(a, Decl(inferTypes1.ts, 62, 15))
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>b : Symbol(b, Decl(inferTypes1.ts, 62, 26))
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>c : Symbol(c, Decl(inferTypes1.ts, 62, 37))
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type X3<T> = T extends { a: (x: infer U) => void, b: (x: infer U) => void } ? U : never;
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>X3 : Symbol(X3, Decl(inferTypes1.ts, 62, 52))
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>T : Symbol(T, Decl(inferTypes1.ts, 64, 8))
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>T : Symbol(T, Decl(inferTypes1.ts, 64, 8))
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>a : Symbol(a, Decl(inferTypes1.ts, 64, 24))
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>x : Symbol(x, Decl(inferTypes1.ts, 64, 29))
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>U : Symbol(U, Decl(inferTypes1.ts, 64, 37), Decl(inferTypes1.ts, 64, 62))
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>b : Symbol(b, Decl(inferTypes1.ts, 64, 49))
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>x : Symbol(x, Decl(inferTypes1.ts, 64, 54))
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>U : Symbol(U, Decl(inferTypes1.ts, 64, 37), Decl(inferTypes1.ts, 64, 62))
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>U : Symbol(U, Decl(inferTypes1.ts, 64, 37), Decl(inferTypes1.ts, 64, 62))
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type T50 = X3<{}>; // never
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>T50 : Symbol(T50, Decl(inferTypes1.ts, 64, 88))
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>X3 : Symbol(X3, Decl(inferTypes1.ts, 62, 52))
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type T51 = X3<{ a: (x: string) => void }>; // never
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>T51 : Symbol(T51, Decl(inferTypes1.ts, 66, 18))
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>X3 : Symbol(X3, Decl(inferTypes1.ts, 62, 52))
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>a : Symbol(a, Decl(inferTypes1.ts, 67, 15))
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>x : Symbol(x, Decl(inferTypes1.ts, 67, 20))
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type T52 = X3<{ a: (x: string) => void, b: (x: string) => void }>; // string
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>T52 : Symbol(T52, Decl(inferTypes1.ts, 67, 42))
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>X3 : Symbol(X3, Decl(inferTypes1.ts, 62, 52))
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>a : Symbol(a, Decl(inferTypes1.ts, 68, 15))
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>x : Symbol(x, Decl(inferTypes1.ts, 68, 20))
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>b : Symbol(b, Decl(inferTypes1.ts, 68, 39))
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>x : Symbol(x, Decl(inferTypes1.ts, 68, 44))
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type T53 = X3<{ a: (x: number) => void, b: (x: string) => void }>; // string & number
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>T53 : Symbol(T53, Decl(inferTypes1.ts, 68, 66))
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>X3 : Symbol(X3, Decl(inferTypes1.ts, 62, 52))
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>a : Symbol(a, Decl(inferTypes1.ts, 69, 15))
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>x : Symbol(x, Decl(inferTypes1.ts, 69, 20))
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>b : Symbol(b, Decl(inferTypes1.ts, 69, 39))
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>x : Symbol(x, Decl(inferTypes1.ts, 69, 44))
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type T54 = X3<{ a: (x: number) => void, b: () => void }>; // number
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>T54 : Symbol(T54, Decl(inferTypes1.ts, 69, 66))
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>X3 : Symbol(X3, Decl(inferTypes1.ts, 62, 52))
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>a : Symbol(a, Decl(inferTypes1.ts, 70, 15))
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>x : Symbol(x, Decl(inferTypes1.ts, 70, 20))
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>b : Symbol(b, Decl(inferTypes1.ts, 70, 39))
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type T60 = infer U; // Error
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>T60 : Symbol(T60, Decl(inferTypes1.ts, 70, 57))
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>U : Symbol(U, Decl(inferTypes1.ts, 72, 16))
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type T61<T> = infer A extends infer B ? infer C : infer D; // Error
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>T61 : Symbol(T61, Decl(inferTypes1.ts, 72, 19))
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>T : Symbol(T, Decl(inferTypes1.ts, 73, 9))
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>A : Symbol(A, Decl(inferTypes1.ts, 73, 19))
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>B : Symbol(B, Decl(inferTypes1.ts, 73, 35))
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>C : Symbol(C, Decl(inferTypes1.ts, 73, 45))
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>D : Symbol(D, Decl(inferTypes1.ts, 73, 55))
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type T62<T> = U extends (infer U)[] ? U : U; // Error
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>T62 : Symbol(T62, Decl(inferTypes1.ts, 73, 58))
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>T : Symbol(T, Decl(inferTypes1.ts, 74, 9))
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>U : Symbol(U, Decl(inferTypes1.ts, 74, 30))
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>U : Symbol(U, Decl(inferTypes1.ts, 74, 30))
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type T63<T> = T extends (infer A extends infer B ? infer C : infer D) ? string : number;
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>T63 : Symbol(T63, Decl(inferTypes1.ts, 74, 44))
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>T : Symbol(T, Decl(inferTypes1.ts, 75, 9))
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>T : Symbol(T, Decl(inferTypes1.ts, 75, 9))
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>A : Symbol(A, Decl(inferTypes1.ts, 75, 30))
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>B : Symbol(B, Decl(inferTypes1.ts, 75, 46))
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>C : Symbol(C, Decl(inferTypes1.ts, 75, 56))
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>D : Symbol(D, Decl(inferTypes1.ts, 75, 66))
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type T70<T extends string> = { x: T };
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>T70 : Symbol(T70, Decl(inferTypes1.ts, 75, 88))
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>T : Symbol(T, Decl(inferTypes1.ts, 77, 9))
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>x : Symbol(x, Decl(inferTypes1.ts, 77, 30))
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>T : Symbol(T, Decl(inferTypes1.ts, 77, 9))
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type T71<T> = T extends T70<infer U> ? T70<U> : never;
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>T71 : Symbol(T71, Decl(inferTypes1.ts, 77, 38))
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>T : Symbol(T, Decl(inferTypes1.ts, 78, 9))
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>T : Symbol(T, Decl(inferTypes1.ts, 78, 9))
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>T70 : Symbol(T70, Decl(inferTypes1.ts, 75, 88))
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>U : Symbol(U, Decl(inferTypes1.ts, 78, 33))
|
|
>T70 : Symbol(T70, Decl(inferTypes1.ts, 75, 88))
|
|
>U : Symbol(U, Decl(inferTypes1.ts, 78, 33))
|
|
|
|
type T72<T extends number> = { y: T };
|
|
>T72 : Symbol(T72, Decl(inferTypes1.ts, 78, 54))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 80, 9))
|
|
>y : Symbol(y, Decl(inferTypes1.ts, 80, 30))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 80, 9))
|
|
|
|
type T73<T> = T extends T72<infer U> ? T70<U> : never; // Error
|
|
>T73 : Symbol(T73, Decl(inferTypes1.ts, 80, 38))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 81, 9))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 81, 9))
|
|
>T72 : Symbol(T72, Decl(inferTypes1.ts, 78, 54))
|
|
>U : Symbol(U, Decl(inferTypes1.ts, 81, 33))
|
|
>T70 : Symbol(T70, Decl(inferTypes1.ts, 75, 88))
|
|
>U : Symbol(U, Decl(inferTypes1.ts, 81, 33))
|
|
|
|
type T74<T extends number, U extends string> = { x: T, y: U };
|
|
>T74 : Symbol(T74, Decl(inferTypes1.ts, 81, 54))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 83, 9))
|
|
>U : Symbol(U, Decl(inferTypes1.ts, 83, 26))
|
|
>x : Symbol(x, Decl(inferTypes1.ts, 83, 48))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 83, 9))
|
|
>y : Symbol(y, Decl(inferTypes1.ts, 83, 54))
|
|
>U : Symbol(U, Decl(inferTypes1.ts, 83, 26))
|
|
|
|
type T75<T> = T extends T74<infer U, infer U> ? T70<U> | T72<U> | T74<U, U> : never;
|
|
>T75 : Symbol(T75, Decl(inferTypes1.ts, 83, 62))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 84, 9))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 84, 9))
|
|
>T74 : Symbol(T74, Decl(inferTypes1.ts, 81, 54))
|
|
>U : Symbol(U, Decl(inferTypes1.ts, 84, 33), Decl(inferTypes1.ts, 84, 42))
|
|
>U : Symbol(U, Decl(inferTypes1.ts, 84, 33), Decl(inferTypes1.ts, 84, 42))
|
|
>T70 : Symbol(T70, Decl(inferTypes1.ts, 75, 88))
|
|
>U : Symbol(U, Decl(inferTypes1.ts, 84, 33), Decl(inferTypes1.ts, 84, 42))
|
|
>T72 : Symbol(T72, Decl(inferTypes1.ts, 78, 54))
|
|
>U : Symbol(U, Decl(inferTypes1.ts, 84, 33), Decl(inferTypes1.ts, 84, 42))
|
|
>T74 : Symbol(T74, Decl(inferTypes1.ts, 81, 54))
|
|
>U : Symbol(U, Decl(inferTypes1.ts, 84, 33), Decl(inferTypes1.ts, 84, 42))
|
|
>U : Symbol(U, Decl(inferTypes1.ts, 84, 33), Decl(inferTypes1.ts, 84, 42))
|
|
|
|
type T76<T extends T[], U extends T> = { x: T };
|
|
>T76 : Symbol(T76, Decl(inferTypes1.ts, 84, 84))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 86, 9))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 86, 9))
|
|
>U : Symbol(U, Decl(inferTypes1.ts, 86, 23))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 86, 9))
|
|
>x : Symbol(x, Decl(inferTypes1.ts, 86, 40))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 86, 9))
|
|
|
|
type T77<T> = T extends T76<infer X, infer Y> ? T76<X, Y> : never;
|
|
>T77 : Symbol(T77, Decl(inferTypes1.ts, 86, 48))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 87, 9))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 87, 9))
|
|
>T76 : Symbol(T76, Decl(inferTypes1.ts, 84, 84))
|
|
>X : Symbol(X, Decl(inferTypes1.ts, 87, 33))
|
|
>Y : Symbol(Y, Decl(inferTypes1.ts, 87, 42))
|
|
>T76 : Symbol(T76, Decl(inferTypes1.ts, 84, 84))
|
|
>X : Symbol(X, Decl(inferTypes1.ts, 87, 33))
|
|
>Y : Symbol(Y, Decl(inferTypes1.ts, 87, 42))
|
|
|
|
type T78<T> = T extends T76<infer X, infer X> ? T76<X, X> : never;
|
|
>T78 : Symbol(T78, Decl(inferTypes1.ts, 87, 66))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 88, 9))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 88, 9))
|
|
>T76 : Symbol(T76, Decl(inferTypes1.ts, 84, 84))
|
|
>X : Symbol(X, Decl(inferTypes1.ts, 88, 33), Decl(inferTypes1.ts, 88, 42))
|
|
>X : Symbol(X, Decl(inferTypes1.ts, 88, 33), Decl(inferTypes1.ts, 88, 42))
|
|
>T76 : Symbol(T76, Decl(inferTypes1.ts, 84, 84))
|
|
>X : Symbol(X, Decl(inferTypes1.ts, 88, 33), Decl(inferTypes1.ts, 88, 42))
|
|
>X : Symbol(X, Decl(inferTypes1.ts, 88, 33), Decl(inferTypes1.ts, 88, 42))
|
|
|
|
type Foo<T extends string, U extends T> = [T, U];
|
|
>Foo : Symbol(Foo, Decl(inferTypes1.ts, 88, 66))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 90, 9))
|
|
>U : Symbol(U, Decl(inferTypes1.ts, 90, 26))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 90, 9))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 90, 9))
|
|
>U : Symbol(U, Decl(inferTypes1.ts, 90, 26))
|
|
|
|
type Bar<T> = T extends Foo<infer X, infer Y> ? Foo<X, Y> : never;
|
|
>Bar : Symbol(Bar, Decl(inferTypes1.ts, 90, 49))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 91, 9))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 91, 9))
|
|
>Foo : Symbol(Foo, Decl(inferTypes1.ts, 88, 66))
|
|
>X : Symbol(X, Decl(inferTypes1.ts, 91, 33))
|
|
>Y : Symbol(Y, Decl(inferTypes1.ts, 91, 42))
|
|
>Foo : Symbol(Foo, Decl(inferTypes1.ts, 88, 66))
|
|
>X : Symbol(X, Decl(inferTypes1.ts, 91, 33))
|
|
>Y : Symbol(Y, Decl(inferTypes1.ts, 91, 42))
|
|
|
|
type T90 = Bar<[string, string]>; // [string, string]
|
|
>T90 : Symbol(T90, Decl(inferTypes1.ts, 91, 66))
|
|
>Bar : Symbol(Bar, Decl(inferTypes1.ts, 90, 49))
|
|
|
|
type T91 = Bar<[string, "a"]>; // [string, "a"]
|
|
>T91 : Symbol(T91, Decl(inferTypes1.ts, 93, 33))
|
|
>Bar : Symbol(Bar, Decl(inferTypes1.ts, 90, 49))
|
|
|
|
type T92 = Bar<[string, "a"] & { x: string }>; // [string, "a"]
|
|
>T92 : Symbol(T92, Decl(inferTypes1.ts, 94, 30))
|
|
>Bar : Symbol(Bar, Decl(inferTypes1.ts, 90, 49))
|
|
>x : Symbol(x, Decl(inferTypes1.ts, 95, 32))
|
|
|
|
type T93 = Bar<["a", string]>; // never
|
|
>T93 : Symbol(T93, Decl(inferTypes1.ts, 95, 46))
|
|
>Bar : Symbol(Bar, Decl(inferTypes1.ts, 90, 49))
|
|
|
|
type T94 = Bar<[number, number]>; // never
|
|
>T94 : Symbol(T94, Decl(inferTypes1.ts, 96, 30))
|
|
>Bar : Symbol(Bar, Decl(inferTypes1.ts, 90, 49))
|
|
|
|
// Example from #21496
|
|
|
|
type JsonifiedObject<T extends object> = { [K in keyof T]: Jsonified<T[K]> };
|
|
>JsonifiedObject : Symbol(JsonifiedObject, Decl(inferTypes1.ts, 97, 33))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 101, 21))
|
|
>K : Symbol(K, Decl(inferTypes1.ts, 101, 44))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 101, 21))
|
|
>Jsonified : Symbol(Jsonified, Decl(inferTypes1.ts, 101, 77))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 101, 21))
|
|
>K : Symbol(K, Decl(inferTypes1.ts, 101, 44))
|
|
|
|
type Jsonified<T> =
|
|
>Jsonified : Symbol(Jsonified, Decl(inferTypes1.ts, 101, 77))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 103, 15))
|
|
|
|
T extends string | number | boolean | null ? T
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 103, 15))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 103, 15))
|
|
|
|
: T extends undefined | Function ? never // undefined and functions are removed
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 103, 15))
|
|
>Function : Symbol(Function, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
|
|
|
|
: T extends { toJSON(): infer R } ? R // toJSON is called if it exists (e.g. Date)
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 103, 15))
|
|
>toJSON : Symbol(toJSON, Decl(inferTypes1.ts, 106, 17))
|
|
>R : Symbol(R, Decl(inferTypes1.ts, 106, 33))
|
|
>R : Symbol(R, Decl(inferTypes1.ts, 106, 33))
|
|
|
|
: T extends object ? JsonifiedObject<T>
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 103, 15))
|
|
>JsonifiedObject : Symbol(JsonifiedObject, Decl(inferTypes1.ts, 97, 33))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 103, 15))
|
|
|
|
: "what is this";
|
|
|
|
type Example = {
|
|
>Example : Symbol(Example, Decl(inferTypes1.ts, 108, 21))
|
|
|
|
str: "literalstring",
|
|
>str : Symbol(str, Decl(inferTypes1.ts, 110, 16))
|
|
|
|
fn: () => void,
|
|
>fn : Symbol(fn, Decl(inferTypes1.ts, 111, 25))
|
|
|
|
date: Date,
|
|
>date : Symbol(date, Decl(inferTypes1.ts, 112, 19))
|
|
>Date : Symbol(Date, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.scripthost.d.ts, --, --))
|
|
|
|
customClass: MyClass,
|
|
>customClass : Symbol(customClass, Decl(inferTypes1.ts, 113, 15))
|
|
>MyClass : Symbol(MyClass, Decl(inferTypes1.ts, 120, 1))
|
|
|
|
obj: {
|
|
>obj : Symbol(obj, Decl(inferTypes1.ts, 114, 25))
|
|
|
|
prop: "property",
|
|
>prop : Symbol(prop, Decl(inferTypes1.ts, 115, 10))
|
|
|
|
clz: MyClass,
|
|
>clz : Symbol(clz, Decl(inferTypes1.ts, 116, 25))
|
|
>MyClass : Symbol(MyClass, Decl(inferTypes1.ts, 120, 1))
|
|
|
|
nested: { attr: Date }
|
|
>nested : Symbol(nested, Decl(inferTypes1.ts, 117, 21))
|
|
>attr : Symbol(attr, Decl(inferTypes1.ts, 118, 17))
|
|
>Date : Symbol(Date, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.scripthost.d.ts, --, --))
|
|
|
|
},
|
|
}
|
|
|
|
declare class MyClass {
|
|
>MyClass : Symbol(MyClass, Decl(inferTypes1.ts, 120, 1))
|
|
|
|
toJSON(): "correct";
|
|
>toJSON : Symbol(MyClass.toJSON, Decl(inferTypes1.ts, 122, 23))
|
|
}
|
|
|
|
type JsonifiedExample = Jsonified<Example>;
|
|
>JsonifiedExample : Symbol(JsonifiedExample, Decl(inferTypes1.ts, 124, 1))
|
|
>Jsonified : Symbol(Jsonified, Decl(inferTypes1.ts, 101, 77))
|
|
>Example : Symbol(Example, Decl(inferTypes1.ts, 108, 21))
|
|
|
|
declare let ex: JsonifiedExample;
|
|
>ex : Symbol(ex, Decl(inferTypes1.ts, 127, 11))
|
|
>JsonifiedExample : Symbol(JsonifiedExample, Decl(inferTypes1.ts, 124, 1))
|
|
|
|
const z1: "correct" = ex.customClass;
|
|
>z1 : Symbol(z1, Decl(inferTypes1.ts, 128, 5))
|
|
>ex.customClass : Symbol(customClass, Decl(inferTypes1.ts, 113, 15))
|
|
>ex : Symbol(ex, Decl(inferTypes1.ts, 127, 11))
|
|
>customClass : Symbol(customClass, Decl(inferTypes1.ts, 113, 15))
|
|
|
|
const z2: string = ex.obj.nested.attr;
|
|
>z2 : Symbol(z2, Decl(inferTypes1.ts, 129, 5))
|
|
>ex.obj.nested.attr : Symbol(attr, Decl(inferTypes1.ts, 118, 17))
|
|
>ex.obj.nested : Symbol(nested, Decl(inferTypes1.ts, 117, 21))
|
|
>ex.obj : Symbol(obj, Decl(inferTypes1.ts, 114, 25))
|
|
>ex : Symbol(ex, Decl(inferTypes1.ts, 127, 11))
|
|
>obj : Symbol(obj, Decl(inferTypes1.ts, 114, 25))
|
|
>nested : Symbol(nested, Decl(inferTypes1.ts, 117, 21))
|
|
>attr : Symbol(attr, Decl(inferTypes1.ts, 118, 17))
|
|
|
|
// Repros from #21631
|
|
|
|
type A1<T, U extends A1<any, any>> = [T, U];
|
|
>A1 : Symbol(A1, Decl(inferTypes1.ts, 129, 38))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 133, 8))
|
|
>U : Symbol(U, Decl(inferTypes1.ts, 133, 10))
|
|
>A1 : Symbol(A1, Decl(inferTypes1.ts, 129, 38))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 133, 8))
|
|
>U : Symbol(U, Decl(inferTypes1.ts, 133, 10))
|
|
|
|
type B1<S> = S extends A1<infer T, infer U> ? [T, U] : never;
|
|
>B1 : Symbol(B1, Decl(inferTypes1.ts, 133, 44))
|
|
>S : Symbol(S, Decl(inferTypes1.ts, 134, 8))
|
|
>S : Symbol(S, Decl(inferTypes1.ts, 134, 8))
|
|
>A1 : Symbol(A1, Decl(inferTypes1.ts, 129, 38))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 134, 31))
|
|
>U : Symbol(U, Decl(inferTypes1.ts, 134, 40))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 134, 31))
|
|
>U : Symbol(U, Decl(inferTypes1.ts, 134, 40))
|
|
|
|
type A2<T, U extends void> = [T, U];
|
|
>A2 : Symbol(A2, Decl(inferTypes1.ts, 134, 61))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 136, 8))
|
|
>U : Symbol(U, Decl(inferTypes1.ts, 136, 10))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 136, 8))
|
|
>U : Symbol(U, Decl(inferTypes1.ts, 136, 10))
|
|
|
|
type B2<S> = S extends A2<infer T, infer U> ? [T, U] : never;
|
|
>B2 : Symbol(B2, Decl(inferTypes1.ts, 136, 36))
|
|
>S : Symbol(S, Decl(inferTypes1.ts, 137, 8))
|
|
>S : Symbol(S, Decl(inferTypes1.ts, 137, 8))
|
|
>A2 : Symbol(A2, Decl(inferTypes1.ts, 134, 61))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 137, 31))
|
|
>U : Symbol(U, Decl(inferTypes1.ts, 137, 40))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 137, 31))
|
|
>U : Symbol(U, Decl(inferTypes1.ts, 137, 40))
|
|
|
|
type C2<S, U extends void> = S extends A2<infer T, U> ? [T, U] : never;
|
|
>C2 : Symbol(C2, Decl(inferTypes1.ts, 137, 61))
|
|
>S : Symbol(S, Decl(inferTypes1.ts, 138, 8))
|
|
>U : Symbol(U, Decl(inferTypes1.ts, 138, 10))
|
|
>S : Symbol(S, Decl(inferTypes1.ts, 138, 8))
|
|
>A2 : Symbol(A2, Decl(inferTypes1.ts, 134, 61))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 138, 47))
|
|
>U : Symbol(U, Decl(inferTypes1.ts, 138, 10))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 138, 47))
|
|
>U : Symbol(U, Decl(inferTypes1.ts, 138, 10))
|
|
|
|
// Repro from #21735
|
|
|
|
type A<T> = T extends string ? { [P in T]: void; } : T;
|
|
>A : Symbol(A, Decl(inferTypes1.ts, 138, 71))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 142, 7))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 142, 7))
|
|
>P : Symbol(P, Decl(inferTypes1.ts, 142, 34))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 142, 7))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 142, 7))
|
|
|
|
type B<T> = string extends T ? { [P in T]: void; } : T; // Error
|
|
>B : Symbol(B, Decl(inferTypes1.ts, 142, 55))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 143, 7))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 143, 7))
|
|
>P : Symbol(P, Decl(inferTypes1.ts, 143, 34))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 143, 7))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 143, 7))
|
|
|
|
// Repro from #22302
|
|
|
|
type MatchingKeys<T, U, K extends keyof T = keyof T> =
|
|
>MatchingKeys : Symbol(MatchingKeys, Decl(inferTypes1.ts, 143, 55))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 147, 18))
|
|
>U : Symbol(U, Decl(inferTypes1.ts, 147, 20))
|
|
>K : Symbol(K, Decl(inferTypes1.ts, 147, 23))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 147, 18))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 147, 18))
|
|
|
|
K extends keyof T ? T[K] extends U ? K : never : never;
|
|
>K : Symbol(K, Decl(inferTypes1.ts, 147, 23))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 147, 18))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 147, 18))
|
|
>K : Symbol(K, Decl(inferTypes1.ts, 147, 23))
|
|
>U : Symbol(U, Decl(inferTypes1.ts, 147, 20))
|
|
>K : Symbol(K, Decl(inferTypes1.ts, 147, 23))
|
|
|
|
type VoidKeys<T> = MatchingKeys<T, void>;
|
|
>VoidKeys : Symbol(VoidKeys, Decl(inferTypes1.ts, 148, 59))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 150, 14))
|
|
>MatchingKeys : Symbol(MatchingKeys, Decl(inferTypes1.ts, 143, 55))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 150, 14))
|
|
|
|
interface test {
|
|
>test : Symbol(test, Decl(inferTypes1.ts, 150, 41))
|
|
|
|
a: 1,
|
|
>a : Symbol(test.a, Decl(inferTypes1.ts, 152, 16))
|
|
|
|
b: void
|
|
>b : Symbol(test.b, Decl(inferTypes1.ts, 153, 9))
|
|
}
|
|
|
|
type T80 = MatchingKeys<test, void>;
|
|
>T80 : Symbol(T80, Decl(inferTypes1.ts, 155, 1))
|
|
>MatchingKeys : Symbol(MatchingKeys, Decl(inferTypes1.ts, 143, 55))
|
|
>test : Symbol(test, Decl(inferTypes1.ts, 150, 41))
|
|
|
|
type T81 = VoidKeys<test>;
|
|
>T81 : Symbol(T81, Decl(inferTypes1.ts, 157, 36))
|
|
>VoidKeys : Symbol(VoidKeys, Decl(inferTypes1.ts, 148, 59))
|
|
>test : Symbol(test, Decl(inferTypes1.ts, 150, 41))
|
|
|
|
// Repro from #22221
|
|
|
|
type MustBeString<T extends string> = T;
|
|
>MustBeString : Symbol(MustBeString, Decl(inferTypes1.ts, 158, 26))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 162, 18))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 162, 18))
|
|
|
|
type EnsureIsString<T> = T extends MustBeString<infer U> ? U : never;
|
|
>EnsureIsString : Symbol(EnsureIsString, Decl(inferTypes1.ts, 162, 40))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 163, 20))
|
|
>T : Symbol(T, Decl(inferTypes1.ts, 163, 20))
|
|
>MustBeString : Symbol(MustBeString, Decl(inferTypes1.ts, 158, 26))
|
|
>U : Symbol(U, Decl(inferTypes1.ts, 163, 53))
|
|
>U : Symbol(U, Decl(inferTypes1.ts, 163, 53))
|
|
|
|
type Test1 = EnsureIsString<"hello">; // "hello"
|
|
>Test1 : Symbol(Test1, Decl(inferTypes1.ts, 163, 69))
|
|
>EnsureIsString : Symbol(EnsureIsString, Decl(inferTypes1.ts, 162, 40))
|
|
|
|
type Test2 = EnsureIsString<42>; // never
|
|
>Test2 : Symbol(Test2, Decl(inferTypes1.ts, 165, 37))
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>EnsureIsString : Symbol(EnsureIsString, Decl(inferTypes1.ts, 162, 40))
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