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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.
I was under impression these should be possible to complete using stdlib. However now I am not quite certain about it...
Rust version is using 3rd-party crate "Either" which is not part of the standard library.
This comment is hidden because it contains spoiler information about the solution
This comment is hidden because it contains spoiler information about the solution
What's the advantage over a function with
.to_uppercase()
?Good catch on non-ASCII characters!