74 lines
1.5 KiB
JavaScript
74 lines
1.5 KiB
JavaScript
//// [typeGuardOfFormTypeOfNotEqualHasNoEffect.ts]
|
|
class C { private p: string };
|
|
|
|
var strOrNum: string | number;
|
|
var strOrBool: string | boolean;
|
|
var numOrBool: number | boolean
|
|
var strOrC: string | C;
|
|
|
|
// typeof x != s has not effect on typeguard
|
|
if (typeof strOrNum != "string") {
|
|
var r1 = strOrNum; // string | number
|
|
}
|
|
else {
|
|
var r1 = strOrNum; // string | number
|
|
}
|
|
|
|
if (typeof strOrBool != "boolean") {
|
|
var r2 = strOrBool; // string | boolean
|
|
}
|
|
else {
|
|
var r2 = strOrBool; // string | boolean
|
|
}
|
|
|
|
if (typeof numOrBool != "number") {
|
|
var r3 = numOrBool; // number | boolean
|
|
}
|
|
else {
|
|
var r3 = numOrBool; // number | boolean
|
|
}
|
|
|
|
if (typeof strOrC != "Object") {
|
|
var r4 = strOrC; // string | C
|
|
}
|
|
else {
|
|
var r4 = strOrC; // string | C
|
|
}
|
|
|
|
//// [typeGuardOfFormTypeOfNotEqualHasNoEffect.js]
|
|
var C = (function () {
|
|
function C() {
|
|
}
|
|
return C;
|
|
})();
|
|
;
|
|
var strOrNum;
|
|
var strOrBool;
|
|
var numOrBool;
|
|
var strOrC;
|
|
// typeof x != s has not effect on typeguard
|
|
if (typeof strOrNum != "string") {
|
|
var r1 = strOrNum; // string | number
|
|
}
|
|
else {
|
|
var r1 = strOrNum; // string | number
|
|
}
|
|
if (typeof strOrBool != "boolean") {
|
|
var r2 = strOrBool; // string | boolean
|
|
}
|
|
else {
|
|
var r2 = strOrBool; // string | boolean
|
|
}
|
|
if (typeof numOrBool != "number") {
|
|
var r3 = numOrBool; // number | boolean
|
|
}
|
|
else {
|
|
var r3 = numOrBool; // number | boolean
|
|
}
|
|
if (typeof strOrC != "Object") {
|
|
var r4 = strOrC; // string | C
|
|
}
|
|
else {
|
|
var r4 = strOrC; // string | C
|
|
}
|