Eval function

example.js

var assertNotThrow = function (cb) {
    var noError = false;
    try {
        cb();
        noError = true;
    } catch (e) {}
    return noError;
}
function f() {   
    var foo; 
    try {
        let boo;
        eval('function foo(){} function boo() {}'); 
    } catch (e) {
        print(e);
    }
   print(assertNotThrow(() => foo)); 
   print(assertNotThrow(() => boo)); 
}
// Should we have true false, or false false