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=== tests/cases/compiler/nonNullableTypes1.ts ===
function f1<T>(x: T) {
>f1 : Symbol(f1, Decl(nonNullableTypes1.ts, 0, 0))
>T : Symbol(T, Decl(nonNullableTypes1.ts, 0, 12))
>x : Symbol(x, Decl(nonNullableTypes1.ts, 0, 15))
>T : Symbol(T, Decl(nonNullableTypes1.ts, 0, 12))
let y = x || "hello"; // NonNullable<T> | string
>y : Symbol(y, Decl(nonNullableTypes1.ts, 1, 7))
>x : Symbol(x, Decl(nonNullableTypes1.ts, 0, 15))
}
function error(): never {
>error : Symbol(error, Decl(nonNullableTypes1.ts, 2, 1))
throw new Error();
>Error : Symbol(Error, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
}
function f2<T>(x: T) { // NonNullable<T>
>f2 : Symbol(f2, Decl(nonNullableTypes1.ts, 6, 1))
>T : Symbol(T, Decl(nonNullableTypes1.ts, 8, 12))
>x : Symbol(x, Decl(nonNullableTypes1.ts, 8, 15))
>T : Symbol(T, Decl(nonNullableTypes1.ts, 8, 12))
return x || error();
>x : Symbol(x, Decl(nonNullableTypes1.ts, 8, 15))
>error : Symbol(error, Decl(nonNullableTypes1.ts, 2, 1))
}
function f3(x: unknown) {
>f3 : Symbol(f3, Decl(nonNullableTypes1.ts, 10, 1))
>x : Symbol(x, Decl(nonNullableTypes1.ts, 12, 12))
let y = x!; // {}
>y : Symbol(y, Decl(nonNullableTypes1.ts, 13, 7))
>x : Symbol(x, Decl(nonNullableTypes1.ts, 12, 12))
}
function f4<T extends { x: string } | undefined>(obj: T) {
>f4 : Symbol(f4, Decl(nonNullableTypes1.ts, 14, 1))
>T : Symbol(T, Decl(nonNullableTypes1.ts, 16, 12))
>x : Symbol(x, Decl(nonNullableTypes1.ts, 16, 23))
>obj : Symbol(obj, Decl(nonNullableTypes1.ts, 16, 49))
>T : Symbol(T, Decl(nonNullableTypes1.ts, 16, 12))
if (obj?.x === "hello") {
>obj?.x : Symbol(x, Decl(nonNullableTypes1.ts, 16, 23))
>obj : Symbol(obj, Decl(nonNullableTypes1.ts, 16, 49))
>x : Symbol(x, Decl(nonNullableTypes1.ts, 16, 23))
obj; // NonNullable<T>
>obj : Symbol(obj, Decl(nonNullableTypes1.ts, 16, 49))
}
if (obj?.x) {
>obj?.x : Symbol(x, Decl(nonNullableTypes1.ts, 16, 23))
>obj : Symbol(obj, Decl(nonNullableTypes1.ts, 16, 49))
>x : Symbol(x, Decl(nonNullableTypes1.ts, 16, 23))
obj; // NonNullable<T>
>obj : Symbol(obj, Decl(nonNullableTypes1.ts, 16, 49))
}
if (typeof obj?.x === "string") {
>obj?.x : Symbol(x, Decl(nonNullableTypes1.ts, 16, 23))
>obj : Symbol(obj, Decl(nonNullableTypes1.ts, 16, 49))
>x : Symbol(x, Decl(nonNullableTypes1.ts, 16, 23))
obj; // NonNullable<T>
>obj : Symbol(obj, Decl(nonNullableTypes1.ts, 16, 49))
}
}
class A {
>A : Symbol(A, Decl(nonNullableTypes1.ts, 26, 1))
x = "hello";
>x : Symbol(A.x, Decl(nonNullableTypes1.ts, 28, 9))
foo() {
>foo : Symbol(A.foo, Decl(nonNullableTypes1.ts, 29, 16))
let zz = this?.x; // string
>zz : Symbol(zz, Decl(nonNullableTypes1.ts, 31, 11))
>this?.x : Symbol(A.x, Decl(nonNullableTypes1.ts, 28, 9))
>this : Symbol(A, Decl(nonNullableTypes1.ts, 26, 1))
>x : Symbol(A.x, Decl(nonNullableTypes1.ts, 28, 9))
}
}
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