typeclass
'some' and 'many' functions from the 'Alternative' type class [duplicate]
This question already has answers here: 开发者_Python百科 Haskell - What is Control.Applicative.Alternative good for?[详细]
2023-04-10 20:51 分类：问答haskell -- can one access type variables from an instance function declaration?
I want to access type variables in an instance, that don\'t show up in the instance\'s parameters. For example,[详细]
2023-04-04 16:50 分类：问答haskell -- not understanding why this associated type example needs more inference
Consider the following code, data MyBaseExpr α where ConstE :: Show α => α -> MyBaseExpr α class Monad [详细]
2023-04-04 16:49 分类：问答Why is a "type class" called "type class"?
When diving deeper into Scala I hit the term type class. It had been confusing because a class is a type and a type could[详细]
2023-04-04 05:40 分类：问答monads-tf: MonadReader instance for MonadState
Consider the next example. I have a monad MyM that is just a StateT {-# LANGUAGE TypeFamilies #-} import Control.Monad.State[详细]
2023-04-02 20:01 分类：问答help with writing a monad typeclass (associated type classes?)
I want to write a monad type class which will specify some basic actions for a DSL (domain-specific language) monad.[详细]
2023-04-02 04:56 分类：问答Inferring type class from operator
If I use the + operator, Haskell automatically infers th开发者_Python百科e type class Num: > let add x y = x + y[详细]
2023-03-31 22:17 分类：问答Restricting a monad to a type class
In Haskell, is there a way to restrict a monad M a so that a satisfy a type class constraint? I am translating the probabilistic modeling example from F# to Haskell. However, in Haskell, I omitted su[详细]
2023-03-31 18:02 分类：问答Partially applied type constructors in instance declarations
I have a type constructor type SimpleFcn α m = m α -> m α and I want to use it in a class where it will be further parameterized later. Namely,[详细]
2023-03-31 14:33 分类：问答Shortening code by exploiting symmetry among multiple type class instances
Context I\'m writing a Haskell module that represents SI prefixes: module Unit.SI.Prefix where Each SI prefix has a corresponding data type:[详细]
2023-03-31 05:14 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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