Closed arv closed 3 years ago
https://doc.rust-lang.org/std/iter/trait.Iterator.html#method.flatten
"This is useful when you have an iterator of iterators or an iterator of things that can be turned into iterators and you want to remove one level of indirection."
https://doc.rust-lang.org/std/iter/trait.Iterator.html#method.flatten
"This is useful when you have an iterator of iterators or an iterator of things that can be turned into iterators and you want to remove one level of indirection."