nucleotide-count: Added template to stub file #565
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coriolinus
suggested changes
Jul 3, 2018
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Thanks @ZapAnton, this generally looks good. I've marked where I want a change, but this is nearly complete as a stub insertion.
Optionally, if you're willing, it would be great if you could also update the associated tests to ensure that the error value is the first invalid char in the input string.
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| pub fn count(nucleotide: char, dna: &str) -> Result<usize, ()> { |
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For consistency, this should return Result<usize, char>, where the error type is the invalid character.
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Done, @coriolinus |
coriolinus
approved these changes
Jul 4, 2018
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Contributes to #551.
I guess it also closes #512, since no further comments were made about rewriting returned
Resultor usingOption/panic!