//// [fatarrowfunctionsOptionalArgsErrors1.ts]
(arg1?, arg2) => 101;
(...arg?) => 102;
(...arg) => 103;
(...arg:number [] = []) => 104;

// Non optional parameter following an optional one
(arg1 = 1, arg2) => 1; 

//// [fatarrowfunctionsOptionalArgsErrors1.js]
(function (arg1, arg2) { return 101; });
(function () {
    var arg = [];
    for (var _i = 0; _i < arguments.length; _i++) {
        arg[_i - 0] = arguments[_i];
    }
    return 102;
});
(function () {
    var arg = [];
    for (var _i = 0; _i < arguments.length; _i++) {
        arg[_i - 0] = arguments[_i];
    }
    return 103;
});
(function () {
    if (arg === void 0) { arg = []; }
    var arg = [];
    for (var _i = 0; _i < arguments.length; _i++) {
        arg[_i - 0] = arguments[_i];
    }
    return 104;
});
// Non optional parameter following an optional one
(function (arg1, arg2) {
    if (arg1 === void 0) { arg1 = 1; }
    return 1;
});