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=== tests/cases/compiler/parseInvalidNullableTypes.ts ===
function f1(a: string): a is ?string {
>f1 : Symbol(f1, Decl(parseInvalidNullableTypes.ts, 0, 0))
>a : Symbol(a, Decl(parseInvalidNullableTypes.ts, 0, 12))
>a : Symbol(a, Decl(parseInvalidNullableTypes.ts, 0, 12))
return true;
}
function f2(a: string?) {}
>f2 : Symbol(f2, Decl(parseInvalidNullableTypes.ts, 2, 1))
>a : Symbol(a, Decl(parseInvalidNullableTypes.ts, 4, 12))
function f3(a: number?) {}
>f3 : Symbol(f3, Decl(parseInvalidNullableTypes.ts, 4, 26))
>a : Symbol(a, Decl(parseInvalidNullableTypes.ts, 5, 12))
function f4(a: ?string) {}
>f4 : Symbol(f4, Decl(parseInvalidNullableTypes.ts, 5, 26))
>a : Symbol(a, Decl(parseInvalidNullableTypes.ts, 7, 12))
function f5(a: ?number) {}
>f5 : Symbol(f5, Decl(parseInvalidNullableTypes.ts, 7, 26))
>a : Symbol(a, Decl(parseInvalidNullableTypes.ts, 8, 12))
function f6(a: string): ?string {
>f6 : Symbol(f6, Decl(parseInvalidNullableTypes.ts, 8, 26))
>a : Symbol(a, Decl(parseInvalidNullableTypes.ts, 10, 12))
return true;
}
const a = 1 as any?;
>a : Symbol(a, Decl(parseInvalidNullableTypes.ts, 14, 5))
const b: number? = 1;
>b : Symbol(b, Decl(parseInvalidNullableTypes.ts, 15, 5))
const c = 1 as ?any;
>c : Symbol(c, Decl(parseInvalidNullableTypes.ts, 17, 5))
const d: ?number = 1;
>d : Symbol(d, Decl(parseInvalidNullableTypes.ts, 18, 5))
let e: unknown?;
>e : Symbol(e, Decl(parseInvalidNullableTypes.ts, 20, 3))
let f: never?;
>f : Symbol(f, Decl(parseInvalidNullableTypes.ts, 21, 3))
let g: void?;
>g : Symbol(g, Decl(parseInvalidNullableTypes.ts, 22, 3))
let h: undefined?;
>h : Symbol(h, Decl(parseInvalidNullableTypes.ts, 23, 3))
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