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String transformation benchmark: handle empty strings #40

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pwochner opened this issue May 16, 2024 · 0 comments

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pwochner commented May 16, 2024

Make sure that empty strings are handled properly:

Transformations
- makeUppercase, makeLowercase, drop are not meaningful on an empty string and we don't want to encourage programs to do that -> throw error.
- moveRight, moveLeft should return StringState unchanged.
We want to be able to get from a non-empty string to an empty string by applying drop, but then also be able to add characters to it again.
Conditions (atEnd, isLetter, etc.): Return false? Or error?

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pwochner self-assigned this

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