On Wednesday, 16 September 2015 at 10:31:58 UTC, Idan Arye wrote:
What's wrong with two `open()`s in a row? Each will return a new file handle.
Yes, but if you do it by mistake then you don't get the compiler to check that you call close() on both. I should have written "what if you forget close()". Will the compiler then complain at compile time?
You can't make that happen with just move semantics, you need linear typing so that every resource created are consumed exactly once.
