heaps
distributive
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| heaps | distributive | |
|---|---|---|
| 1 | 6 | |
| 29 | 41 | |
| - | - | |
| 0.0 | 2.7 | |
| about 1 year ago | 11 months ago | |
| Haskell | Haskell | |
| BSD 3-clause "New" or "Revised" License | BSD 3-clause "New" or "Revised" License |
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heaps
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What's "One Cool Thing" about OCaml? I.e. some piece of code or language concept which is more elegant or powerful in ocaml than in most or all other mainstream languages, but that could be explained to a room of unfamiliar cs majors in under five minutes?
You can implement all this in Haskell (and Kmett has), but the double-layer functor presentation is beautiful in its expression of recursion and memoization through the composition of first-class modules. Yes, you could do this with typeclasses in Haskell, but typeclasses but I think there's just an element of elegance to first-class modules that can't be found with typeclasses. (Not the mention Haskell's horridly bare-bones module system.)
distributive
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Is there an idiomatic way to have a record but with enum values as keys?
Moving discussion to a github issue.
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Issue 302 :: Haskell Weekly newsletter
In main branch of distributive, Distributive is gone. There is only Representable. See current state https://github.com/ekmett/distributive/blob/117377d7ba38efc5b115169b565dfb80de8ad407/src/Data/Rep/Internal.hs
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Monthly Hask Anything (November 2021)
Seems like a neat signature. Is it an instance of some deeper concept or property? Is there a general typeclass for it? It looks a little bit like distribute from distributive.
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Chris Penner - Intro to Higher Kinded Data Types
The upcoming version of distributive includes a lot of hkd toys. It might be up your alley.
What are some alternatives?
fgl - A Functional Graph Library for Haskell
Agda - Agda is a dependently typed programming language / interactive theorem prover.
EdisonAPI - Edison: A Library of Efficient Data Structures
miso - :ramen: A tasty Haskell front-end framework
helf - Haskell implementation of the Edinburgh Logical Framework
parameterized-utils - A set of utilities for using indexed types including containers, equality, and comparison.
flux-monoid - A monoid which counts changing values in a sequence
repa-array - High performance, regular, shape polymorphic parallel arrays.
type-level-sets - Type-level sets for Haskell (with value-level counterparts and various operations)
map-syntax - Syntax sugar and explicit semantics for statically defined maps
containers - Assorted concrete container types