Perseids
Reputation: 13250
Why are iterators not copyable?
Many iterators implement the Clone trait, but none of them implement the Copy trait. At least for simple iterators like std:slice::Iter, the Clone implementation looks like a memcpy anyway, so why isn't Copy also implemented?
Upvotes: 9
Views: 850
Answers (1)
Related Questions
- Why is an iterator moved in this function?
- Why does an iterator variable need to be mutable
- Why does adding mut to passed Iterator reference solve this?
- Why am I allowed to call take() on a mutable reference to an iterator?
- Difference between copied and cloned on Rust iterators
- How does one have a for loop borrow the iterator?
- Unable to borrow an iterator as mutable more than once at a time
- Why does a for loop not require a mutable iterator?
- Why does Iterator::all need the iterator to be mutable?
- Using take on an iterator without copying