rna-transcription: Change return type to Maybe #166
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The exercise, for reference. http://exercism.io/exercises/haskell/rna-transcription/readme |
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This sounds like a good move to me. That would align with other changes we've been making, per #115 |
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👍 for that! We could even supply a stub |
rbasso
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samjonester
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- Error case is now defined, eliminating the desire to throw an `error` for invalid input. - The test and example solution are more idiomatic to Haskell, using a `Maybe`. Closes exercism#166
samjonester
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Jun 30, 2016
- Error case is now defined, eliminating the desire to throw an `error` for invalid input. - The test and example solution are more idiomatic to Haskell, using a `Maybe`. Closes exercism#166
samjonester
added a commit
to samjonester/xhaskell
that referenced
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Jun 30, 2016
- Error case is now defined, eliminating the desire to throw an `error` for invalid input. - The test and example solution are more idiomatic to Haskell, using a `Maybe`. Closes exercism#166
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This exercise doesn't define a test case for "non dna" characters, so many people are throwing errors for invalid input unnecessarily. It seems like that solution has gone viral, and since it's early in the haskell track could influence people to throw errors instead of using the safer type of
Maybe. Thoughts on making this change?The text was updated successfully, but these errors were encountered: