Add AboutApplicatives koan #6
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zip embedded values with embedded functions
Co-authored-by: Alexander Bandukwala <7h3kk1d@gmail.com>
Co-authored-by: Alexander Bandukwala <7h3kk1d@gmail.com>
Co-authored-by: Alexander Bandukwala <7h3kk1d@gmail.com>
7h3kk1d
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May 8, 2023
7h3kk1d
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May 8, 2023
| assertThat(right("World!").zip(right(getStringLength)), equalTo(__)); | ||
| assertThat(Either.<String, String>left("whoops").zip(right(getStringLength)), equalTo(left(__))); | ||
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| // Moving on to LambdaIterables, where "zipping" is more obvious |
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We might want to point out that LambdaIterable is a specific choice in terms of how to implement Zip for iterables. It could be pairwise or cross-product. Alternatively, it might be worth putting it in a separate "test" to make that explicit.
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Added a comment about that possible alternative in 5d1d6da.
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src/test/java/com/jnape/palatable/lambdakoans/AboutApplicatives.java
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src/test/java/com/jnape/palatable/lambdakoans/AboutApplicatives.java
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Thanks for the contribution! From a pedagogical standpoint, I wonder if it makes sense to introduce |
- reorder functionIsApplicative - add assertion - change type signature - add timeout for applicativeRepresentsParallelism - add comments
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Here's a brief demonstration of applicatives. I'm happy to include additional patterns reviewers may suggest.
@7h3kk1d was very helpful in pulling this together.