Extra allocation in quad_tris

[lnicola]

You can avoid some allocations by using the Iterator::chain method in quad_tris instead of allocating a Vec.

[bzar]

Hey, thanks for the pointer! This was a quick couple hour doodle and I didn't get quite that far, since printing stuff made with this quickly took priority. I'll keep this issue open if you don't mind so I'll remember it when I work on the code again.

[lnicola]

Yeah, don't worry, I just saw your "what are you doing this week" post and took a quick look. Of course, you already knew about Iterator::chain since you used it in main.