File: inferThisType.types

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=== 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