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|
=== tests/cases/conformance/types/literal/literalTypes1.ts ===
let zero: 0 = 0;
>zero : 0
>0 : 0
let one: 1 = 1;
>one : 1
>1 : 1
let two: 2 = 2;
>two : 2
>2 : 2
let oneOrTwo: 1 | 2 = <1 | 2>1;
>oneOrTwo : 1 | 2
><1 | 2>1 : 1 | 2
>1 : 1
function f1(x: 0 | 1 | 2) {
>f1 : (x: 0 | 1 | 2) => void
>x : 0 | 1 | 2
switch (x) {
>x : 0 | 1 | 2
case zero:
>zero : 0
x;
>x : 0
break;
case one:
>one : 1
x;
>x : 1
break;
case two:
>two : 2
x;
>x : 2
break;
default:
x;
>x : never
}
}
function f2(x: 0 | 1 | 2) {
>f2 : (x: 0 | 1 | 2) => void
>x : 0 | 1 | 2
switch (x) {
>x : 0 | 1 | 2
case zero:
>zero : 0
x;
>x : 0
break;
case oneOrTwo:
>oneOrTwo : 1 | 2
x;
>x : 1 | 2
break;
default:
x;
>x : 1 | 2
}
}
type Falsy = false | 0 | "" | null | undefined;
>Falsy : false | "" | 0 | null | undefined
>false : false
>null : null
function f3(x: Falsy) {
>f3 : (x: Falsy) => void
>x : Falsy
if (x) {
>x : Falsy
x;
>x : never
}
else {
x;
>x : Falsy
}
}
function f4(x: 0 | 1 | true | string) {
>f4 : (x: 0 | 1 | true | string) => void
>x : string | true | 0 | 1
>true : true
switch (x) {
>x : string | true | 0 | 1
case 0:
>0 : 0
x;
>x : 0
break;
case 1:
>1 : 1
x;
>x : 1
break;
case "abc":
>"abc" : "abc"
case "def":
>"def" : "def"
x;
>x : "abc" | "def"
break;
case null:
>null : null
x;
>x : never
break;
case undefined:
>undefined : undefined
x;
>x : never
break;
default:
x;
>x : string | true
}
}
function f5(x: string | number | boolean) {
>f5 : (x: string | number | boolean) => void
>x : string | number | boolean
switch (x) {
>x : string | number | boolean
case "abc":
>"abc" : "abc"
x;
>x : "abc"
break;
case 0:
>0 : 0
case 1:
>1 : 1
x;
>x : 0 | 1
break;
case true:
>true : true
x;
>x : true
break;
case "hello":
>"hello" : "hello"
case 123:
>123 : 123
x;
>x : "hello" | 123
break;
default:
x;
>x : string | number | false
}
}
|
