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=== tests/cases/compiler/discriminantPropertyInference.ts ===
// Repro from #41759
type DiscriminatorTrue = {
>DiscriminatorTrue : Symbol(DiscriminatorTrue, Decl(discriminantPropertyInference.ts, 0, 0))
disc: true;
>disc : Symbol(disc, Decl(discriminantPropertyInference.ts, 2, 26))
cb: (x: string) => void;
>cb : Symbol(cb, Decl(discriminantPropertyInference.ts, 3, 15))
>x : Symbol(x, Decl(discriminantPropertyInference.ts, 4, 9))
}
type DiscriminatorFalse = {
>DiscriminatorFalse : Symbol(DiscriminatorFalse, Decl(discriminantPropertyInference.ts, 5, 1))
disc?: false;
>disc : Symbol(disc, Decl(discriminantPropertyInference.ts, 7, 27))
cb: (x: number) => void;
>cb : Symbol(cb, Decl(discriminantPropertyInference.ts, 8, 17))
>x : Symbol(x, Decl(discriminantPropertyInference.ts, 9, 9))
}
type Props = DiscriminatorTrue | DiscriminatorFalse;
>Props : Symbol(Props, Decl(discriminantPropertyInference.ts, 10, 1))
>DiscriminatorTrue : Symbol(DiscriminatorTrue, Decl(discriminantPropertyInference.ts, 0, 0))
>DiscriminatorFalse : Symbol(DiscriminatorFalse, Decl(discriminantPropertyInference.ts, 5, 1))
declare function f(options: DiscriminatorTrue | DiscriminatorFalse): any;
>f : Symbol(f, Decl(discriminantPropertyInference.ts, 12, 52))
>options : Symbol(options, Decl(discriminantPropertyInference.ts, 14, 19))
>DiscriminatorTrue : Symbol(DiscriminatorTrue, Decl(discriminantPropertyInference.ts, 0, 0))
>DiscriminatorFalse : Symbol(DiscriminatorFalse, Decl(discriminantPropertyInference.ts, 5, 1))
// simple inference
f({
>f : Symbol(f, Decl(discriminantPropertyInference.ts, 12, 52))
disc: true,
>disc : Symbol(disc, Decl(discriminantPropertyInference.ts, 17, 3))
cb: s => parseInt(s)
>cb : Symbol(cb, Decl(discriminantPropertyInference.ts, 18, 15))
>s : Symbol(s, Decl(discriminantPropertyInference.ts, 19, 7))
>parseInt : Symbol(parseInt, Decl(lib.es5.d.ts, --, --))
>s : Symbol(s, Decl(discriminantPropertyInference.ts, 19, 7))
});
// simple inference
f({
>f : Symbol(f, Decl(discriminantPropertyInference.ts, 12, 52))
disc: false,
>disc : Symbol(disc, Decl(discriminantPropertyInference.ts, 23, 3))
cb: n => n.toFixed()
>cb : Symbol(cb, Decl(discriminantPropertyInference.ts, 24, 16))
>n : Symbol(n, Decl(discriminantPropertyInference.ts, 25, 7))
>n.toFixed : Symbol(Number.toFixed, Decl(lib.es5.d.ts, --, --))
>n : Symbol(n, Decl(discriminantPropertyInference.ts, 25, 7))
>toFixed : Symbol(Number.toFixed, Decl(lib.es5.d.ts, --, --))
});
// simple inference when strict-null-checks are enabled
f({
>f : Symbol(f, Decl(discriminantPropertyInference.ts, 12, 52))
disc: undefined,
>disc : Symbol(disc, Decl(discriminantPropertyInference.ts, 29, 3))
>undefined : Symbol(undefined)
cb: n => n.toFixed()
>cb : Symbol(cb, Decl(discriminantPropertyInference.ts, 30, 20))
>n : Symbol(n, Decl(discriminantPropertyInference.ts, 31, 7))
>n.toFixed : Symbol(Number.toFixed, Decl(lib.es5.d.ts, --, --))
>n : Symbol(n, Decl(discriminantPropertyInference.ts, 31, 7))
>toFixed : Symbol(Number.toFixed, Decl(lib.es5.d.ts, --, --))
});
// requires checking type information since discriminator is missing from object
f({
>f : Symbol(f, Decl(discriminantPropertyInference.ts, 12, 52))
cb: n => n.toFixed()
>cb : Symbol(cb, Decl(discriminantPropertyInference.ts, 35, 3))
>n : Symbol(n, Decl(discriminantPropertyInference.ts, 36, 7))
>n.toFixed : Symbol(Number.toFixed, Decl(lib.es5.d.ts, --, --))
>n : Symbol(n, Decl(discriminantPropertyInference.ts, 36, 7))
>toFixed : Symbol(Number.toFixed, Decl(lib.es5.d.ts, --, --))
});
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