cc3d011333
Previously we didn't. I can't remember why, probably because I overlooked it in the initial PR.
35 lines
846 B
Plaintext
35 lines
846 B
Plaintext
=== tests/cases/conformance/types/thisType/inferThisType.ts ===
|
|
declare function f<T>(g: (this: T) => void): T
|
|
>f : <T>(g: (this: T) => void) => T
|
|
>g : (this: T) => void
|
|
>this : T
|
|
|
|
declare function h(this: number): void;
|
|
>h : (this: number) => void
|
|
>this : number
|
|
|
|
f(h)
|
|
>f(h) : number
|
|
>f : <T>(g: (this: T) => void) => T
|
|
>h : (this: number) => void
|
|
|
|
// works with infer types as well
|
|
type Check<T> = T extends (this: infer U, ...args: any[]) => any ? string : unknown;
|
|
>Check : Check<T>
|
|
>this : U
|
|
>args : any[]
|
|
|
|
type r1 = Check<(this: number) => void>; // should be string
|
|
>r1 : string
|
|
>this : number
|
|
|
|
type This<T> = T extends (this: infer U, ...args: any[]) => any ? U : unknown;
|
|
>This : This<T>
|
|
>this : U
|
|
>args : any[]
|
|
|
|
type r2 = This<(this: number) => void>; // should be number
|
|
>r2 : number
|
|
>this : number
|
|
|