var-monad VS contravariant

Compare var-monad vs contravariant and see what are their differences.

var-monad

The VarMonad typeclass, as defined by "Type Classes: an exploration of the design space" by SPJ et al, 1997. (by chris-martin)
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var-monad contravariant
- 1
2 72
- -
0.0 0.0
over 1 year ago almost 2 years ago
Haskell Haskell
Apache License 2.0 BSD 3-clause "New" or "Revised" License
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
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var-monad

Posts with mentions or reviews of var-monad. We have used some of these posts to build our list of alternatives and similar projects.

We haven't tracked posts mentioning var-monad yet.
Tracking mentions began in Dec 2020.

contravariant

Posts with mentions or reviews of contravariant. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2021-10-21.
  • Co-Applicative programming style
    2 projects | /r/haskell | 21 Oct 2021
    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.

What are some alternatives?

When comparing var-monad and contravariant you can also consider the following projects:

record - Anonymous records

control-monad-free - Free monads and monad transformers

safe-exceptions - Safe, consistent, and easy exception handling

hdph - Haskell distributed parallel Haskell

effect-monad - Provides 'graded monads' and 'parameterised monads' to Haskell, enabling fine-grained reasoning about effects.

distributed-closure - Serializable closures for distributed programming.

streamproc - Haskell library providing a continuation-based stream processor arrow

auto - Haskell DSL and platform providing denotational, compositional api for discrete-step, locally stateful, interactive programs, games & automations. http://hackage.haskell.org/package/auto

recursion-schemes - Generalized bananas, lenses and barbed wire

ifcxt - constraint level if statements

managed - A monad for managed values