algebraic-data-types

相关标签：javascript jquery android 多少钱 iPhone

Is there a better way to express this type?

I\'ve made this data type, which has a lot of repetition in it. data JobState = UnsanitizedData Handle[详细]

2023-04-11 21:51 分类：问答
Parameterizing types by integers in Haskell

I am trying to make some Haskell types which are parametrized not by types but by elements of a type, specifically, integers.For instance, a (linear-algebra) vector in R^2 and a vector in R^3 are diff[详细]

2023-04-01 21:19 分类：问答
Haskell typeclasses with algebraic data types

I have some algebraic data types A, B, and C each implements the class: class Dog a where dog :: a -> Bool[详细]

2023-03-19 23:55 分类：问答
Creating functions over Enumerations

I just started learning Haskell. I think I\'ve got the basics down, but I want to make sure I\'m actually forcing myself to think functionally too.[详细]

2023-03-11 02:19 分类：问答
Data Structure Differentiation, Intuition Building

According to this paper differentiation works on data structures. According to this answer: Differentiation, the derivative of a data type D (given as D\') is the type of D-structures with a single[详细]

2023-03-04 03:29 分类：问答
Overriding (==) in Haskell

I have the following algebraic data types: data Exp = Con Int Var String Op开发者_JAVA技巧 Opkind Exp Exp[详细]

2023-03-03 22:39 分类：问答
What are "sums-and-products" data structures?

A recent blog post on William Cook\'s Fusings mentions: The key point is that structures in Ensō are viewed holistically as graphs, not as individual values or traditional sums-and-products data st[详细]

2023-03-03 02:56 分类：问答
Haskell -- bidirectional class instance type implications OR GADT existential type qualifications?

I have a GADT defined like (abbreviated), {-# LANGUAGE StandaloneDeriving #-} data D t where C :: t -> D t[详细]

2023-03-02 14:07 分类：问答
Polymorphism scenario in Haskell

I have written the following Haskell program to interpret basic math. I would like to add comparison and boolean operators in addition to mathematical operators. My question is how I should go about r[详细]

2023-02-28 18:44 分类：问答
Clojure algebraic data types

I\'ve found defadt macro in clojure.contrib.types. U开发者_运维知识库nfortunately, there is no useful documentation on ADTs usage in clojure. I\'ve googled for hours and found tiny pieces of informati[详细]

2023-02-19 22:11 分类：问答