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=== tests/cases/conformance/types/stringLiteral/stringLiteralTypesInUnionTypes04.ts ===
type T = "" | "foo";
>T : T
let x: T = undefined;
>x : T
>undefined : undefined
let y: T = undefined;
>y : T
>undefined : undefined
if (x === "") {
>x === "" : boolean
>x : T
>"" : ""
let a = x;
>a : ""
>x : ""
}
if (x !== "") {
>x !== "" : boolean
>x : T
>"" : ""
let b = x;
>b : "foo"
>x : "foo"
}
if (x == "") {
>x == "" : boolean
>x : T
>"" : ""
let c = x;
>c : ""
>x : ""
}
if (x != "") {
>x != "" : boolean
>x : T
>"" : ""
let d = x;
>d : "foo"
>x : "foo"
}
if (x) {
>x : T
let e = x;
>e : "foo"
>x : "foo"
}
if (!x) {
>!x : boolean
>x : T
let f = x;
>f : T
>x : T
}
if (!!x) {
>!!x : boolean
>!x : boolean
>x : T
let g = x;
>g : "foo"
>x : "foo"
}
if (!!!x) {
>!!!x : boolean
>!!x : boolean
>!x : boolean
>x : T
let h = x;
>h : T
>x : T
}
|
