Solve chapter4 exercise only using existing concepts #365
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Greatly appreciated! Looks like we just need an import for Pattern matching would make some of these solutions even more idiomatic, but we'd need to swap ch4 and ch5 as described in #340. |
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Sorry, missed the null on copy and paste! Pushed now. |
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The current solution for the exercise 2. in https://github.com/purescript-contrib/purescript-book/blob/master/text/chapter4.md#exercises uses various constructs that haven't been introduced in the text.
Proposed change uses only constructs that the book has already used in examples.