The foreach protocol

A quick multiple-choice check before you move on. Answer every question, then submit to see how you did.

1.In what order does foreach call the enumerator members?

2.Must a type implement IEnumerable to be used in a foreach?

3.Why is a hand-written enumerator so much longer than the idea it expresses?

Answer every question to submit.

Module 1: What foreach Really Does

A quick multiple-choice check before you move on. Answer every question, then submit to see how you did.

1.In what order does foreach call the enumerator members?

2.Must a type implement IEnumerable to be used in a foreach?

3.Why is a hand-written enumerator so much longer than the idea it expresses?

Answer every question to submit.