1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45
|
//// [typeGuardOfFormTypeOfPrimitiveSubtype.ts]
let a: {};
let b: {toString(): string};
if (typeof a === "number") {
let c: number = a;
}
if (typeof a === "string") {
let c: string = a;
}
if (typeof a === "boolean") {
let c: boolean = a;
}
if (typeof b === "number") {
let c: number = b;
}
if (typeof b === "string") {
let c: string = b;
}
if (typeof b === "boolean") {
let c: boolean = b;
}
//// [typeGuardOfFormTypeOfPrimitiveSubtype.js]
var a;
var b;
if (typeof a === "number") {
var c = a;
}
if (typeof a === "string") {
var c = a;
}
if (typeof a === "boolean") {
var c = a;
}
if (typeof b === "number") {
var c = b;
}
if (typeof b === "string") {
var c = b;
}
if (typeof b === "boolean") {
var c = b;
}
|