Add lens-person Haskell-specific exercise #97
Merged
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
kytrinyx
added a commit
that referenced
this pull request
Jun 29, 2015
Add lens-person Haskell-specific exercise
ErikSchierboom
pushed a commit
that referenced
this pull request
Jan 19, 2017
At the time it was added (#97), indeed [Haskell][haskell] was the only implementing track, and it was marked Haskell-specific. However, the [Scala][scala] track has also implemented this exercise. I predict it is confusing for Scala students to see "Haskell specific" in the list of the Scala exercises. The proposal is to change it to "specific to languages with immutable data". [haskell]: exercism/haskell#84 [scala]: exercism/scala#157 Lenses can be a fit for any language that has immutable data and data structures that can be nested. In such a language, updating a deeply-nested field can be a lot of work, but made easier with lenses. This exercise demonstrates the use of lenses and is applicable to **any** language with immutable data, not just Haskell. The alternative considered was to use "functional programming" specific, but the term "functional programming" is a little too broad. It's altogether possible that a functional programming language could have mutable data and a non-functional programming language could have immutable data, so let's be precise about where lenses are helpful. As of this writing, I do not believe any other exercise is language-specific. Questions to this effect have been asked in: * #352 * exercism/exercism#3113 If you are curious about having language-specific exercises, you may be interested in exercism/DEPRECATED.trackler#22.
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
2 participants
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
See exercism/haskell#84.