File: numberToString.js

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node-typescript 3.3.3333-1
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//// [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; // error return type mismatch
}
function f2(s) {
}
f1(3);
f2(3); // error no coercion to string
f2(3 + ""); // ok + operator promotes