How to iterate over a tuple in Nim?

Question

Let's say I have a procedure getTuple(): (int, int, int). How do I iterate over the returned tuple? It doesn't look like items is defined for tuple, so I can't do for i in getTuple().

I initially had this returning a sequence, which proved to be a bottleneck. Can I get this to work without affecting performance? I guess as a last resort I could unroll my loop, but is there any way around that?

Answer 1

I initially had this returning a sequence, which proved to be a bottleneck. Can I get this to work without affecting performance?

Use an array[N, int] instead, it has no indirection. Why was the seq not performant enough? You might want to allocate it to correct size with newSeq[int](size) initially.