Loading collection data...
Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
Will compilator optimize
for _ in 0..count { ... }
to simplelet mut i = 0; while i < count { ...; i = i + 1; }
?It is for "n < 3" cases, where
extend
causes reallocation with capacity 3.It is better to use
to_owned
instead ofto_string
, because it exists precisely for this .