contravariant
can-i-haz
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contravariant | can-i-haz | |
---|---|---|
1 | - | |
72 | 14 | |
- | - | |
0.0 | 0.0 | |
almost 2 years ago | about 1 year ago | |
Haskell | Haskell | |
GNU General Public License v3.0 or later | BSD 3-clause "New" or "Revised" License |
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contravariant
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Co-Applicative programming style
The operator also pops up in George Wilson's 2018 talk, Contravariant Functors: the Other Side of the Coin, along with (>*) and (*<) operators to help things along. Shortly after its publication, Issue #57 for contravariant was raised, suggesting not only (>*<) but the other operators from George's talk.
can-i-haz
We haven't tracked posts mentioning can-i-haz yet.
Tracking mentions began in Dec 2020.
What are some alternatives?
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hdph - Haskell distributed parallel Haskell
these - An either-or-both data type, with corresponding hybrid error/writer monad transformer.
effect-monad - Provides 'graded monads' and 'parameterised monads' to Haskell, enabling fine-grained reasoning about effects.
freer-effects - An implementation of "Freer Monads, More Extensible Effects".
streamproc - Haskell library providing a continuation-based stream processor arrow
retry - Retry combinators for monadic actions that may fail
recursion-schemes - Generalized bananas, lenses and barbed wire
hask - Category theory for Haskell with a lens flavor (you need GHC 7.8.3, not 7.8.2 to build this!)
managed - A monad for managed values
monad-control - Lift control operations, like exception catching, through monad transformers