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Q&A

Welcome to Software Development on Codidact!

Will you help us build our independent community of developers helping developers? We're small and trying to grow. We welcome questions about all aspects of software development, from design to code to QA and more. Got questions? Got answers? Got code you'd like someone to review? Please join us.

Posts tagged purely-functional

For questions related to the Purely Functional computer science term, which describes algorithms, data structures, or programming languages that do not allow modification of data at run-time.

This tag doesn't have a detailed wiki yet.

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Q&A What does "parameterised type in the positive / negative position" mean in the context of invariant functors?

From PureScript's Data.Functor.Invariant documentation (emphasis mine): A type of functor that can be used to adapt the type of a wrapped function where the parameterised type occurs in both the...

1 answer  ·  posted 11d ago by toraritteā€­  ·  last activity 10d ago by Derek Elkinsā€­