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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.
With Rust it's the same as in needing to return either a String or None, but it works fine for this kata.
This comment is hidden because it contains spoiler information about the solution
Fun challenge, but the theory is incorrect, no? The reverse complement of a DNA strain substring should be in reverse order!
RUSTACEANS! If like me you were stumped at first by this, here's a relevant part of The Book: https://doc.rust-lang.org/beta/std/ops/trait.FnMut.html#using-a-fnmut-parameter.
We need a Funny! button
the minor differences b/w my solution and yours were some big lessons for me!
Loved this! Nice job!
This has not been fixed still.
I didn't understand your comment, the change you suggested. Could you explain? I'm interested in this solution too.
很欣赏你的中文解说！
This article was tough for a beginner, but it had the concepts that helped me figure this one out. I didn't find it needed to use all of the non-beginner kinds of tools the author uses. https://medium.com/better-programming/how-you-make-sure-input-is-the-type-you-want-it-to-be-in-python-521f3565a66d