// Minor hint: In each of the two cases in the match in main, you can create x with either a 'turbofish' or by hinting the type of x to the compiler. You may try both.
// Minor hint: In each of the two cases in the match in main, you can create x with either
// a 'turbofish' or by hinting the type of x to the compiler. You may try both.
@ -142,4 +143,5 @@ mod tests {
// Major hint: Have a look at the Iter trait and at the explanation of its collect function. Especially the part about Result is interesting.
// Major hint: Have a look at the Iter trait and at the explanation of its collect function.
// Especially the part about Result is interesting.