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Haskell (/ ˈ h æ s k əl / [25]) is a general-purpose, statically-typed, purely functional programming language with type inference and lazy evaluation. [ 26 ] [ 27 ] Designed for teaching, research, and industrial applications, Haskell has pioneered several programming language features such as type classes , which enable type-safe operator ...
Pure functional programming performs these tasks, and I/O tasks such as accepting user input and printing to the screen, in a different way. The pure functional programming language Haskell implements them using monads, derived from category theory. [80]
The table shows a comparison of functional programming languages which compares various features and designs of ... Haskell: Yes [40] Default [41] Static [42] Yes [40 ...
Hughes does research in the field of programming languages. He is a member of the functional programming group at Chalmers, and has written many influential research papers on the subject, including "Why Functional Programming Matters". [3] Much of his research relates to the language Haskell.
Bird's research interests lay in algorithm design and functional programming, and he was known as a regular contributor to the Journal of Functional Programming, and as author of several books promoting use of the programming language Haskell, including Introduction to Functional Programming using Haskell, [4] Thinking Functionally with Haskell, [5] Algorithm Design with Haskell co-authored ...
In functional programming, fold (also termed reduce, accumulate, aggregate, compress, or inject) refers to a family of higher-order functions that analyze a recursive data structure and through use of a given combining operation, recombine the results of recursively processing its constituent parts, building up a return value.
The Glasgow Haskell Compiler (GHC) is a native or machine code compiler for the functional programming language Haskell. [5] It provides a cross-platform software environment for writing and testing Haskell code and supports many extensions, libraries, and optimisations that streamline the process of generating and executing code.
Applicative functors first appeared as a library feature in Haskell, but have since spread to other languages as well, including Idris, Agda, OCaml, Scala and F#. Glasgow Haskell, Idris, and F# offer language features designed to ease programming with applicative functors. In Haskell, applicative functors are implemented in the Applicative type ...