23 lines
333 B
JavaScript
23 lines
333 B
JavaScript
|
//// [numberToString.ts]
|
||
|
|
function f1(n:number):string {
|
||
|
|
return n; // error return type mismatch
|
||
|
|
}
|
||
|
|
|
||
|
|
function f2(s:string):void {
|
||
|
|
}
|
||
|
|
|
||
|
|
f1(3);
|
||
|
|
f2(3); // error no coercion to string
|
||
|
|
f2(3+""); // ok + operator promotes
|
||
|
|
|
||
|
|
|
||
|
|
//// [numberToString.js]
|
||
|
|
function f1(n) {
|
||
|
|
return n;
|
||
|
|
}
|
||
|
|
function f2(s) {
|
||
|
|
}
|
||
|
|
f1(3);
|
||
|
|
f2(3);
|
||
|
|
f2(3 + "");
|