distributive
constraints
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| distributive | constraints | |
|---|---|---|
| 6 | 3 | |
| 41 | 70 | |
| - | - | |
| 2.7 | 5.4 | |
| 12 months ago | 7 months ago | |
| Haskell | Haskell | |
| GNU General Public License v3.0 or later | BSD 2-clause "Simplified" License |
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distributive
- stack
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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.
constraints
- GHC 7.4 gave us the ability to talk about ConstraintKinds. They stopped crashing the compiler in GHC 7.6
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How is an instance of Monad an instance of Applicative?
If you are okay with some constraint-vocab you an see that Monad m entails Applicative m and Functor m
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Monthly Hask Anything (November 2021)
If it's anywhere, I'd expect it in constraints, but it's not Dict and it's not Forall.
What are some alternatives?
Agda - Agda is a dependently typed programming language / interactive theorem prover.
mios - A SAT solver written in Haskell.
miso - :ramen: A tasty Haskell front-end framework
superconstraints
parameterized-utils - A set of utilities for using indexed types including containers, equality, and comparison.
cluss - simple alternative to type classes
fgl - A Functional Graph Library for Haskell
confsolve - Generalized file conflict resolving tool.
containers - Assorted concrete container types
constraints-emerge - 📤 defer instance resolution until runtime
type-level-sets - Type-level sets for Haskell (with value-level counterparts and various operations)
constraints-deriving - Programmatically create new instances using core-to-core plugins