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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 ...
Haskell is a purely functional programming language. Lazy evaluation and the list and LogicT monads make it easy to express non-deterministic algorithms, which is often the case. Infinite data structures are useful for search trees. The language's features enable a compositional way to express algorithms.
Haskell provides a special syntax for monadic expressions, so that side-effecting programs can be written in a style similar to current imperative programming languages; no knowledge of the mathematics behind monadic I/O is required for this. The following program reads a name from the command line and outputs a greeting message:
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.
Parsec is a library for writing parsers written in the programming language Haskell. [3] It is based on higher-order parser combinators, so a complicated parser can be made out of many smaller ones. [4]
The Haskell Platform is a set of software packages, tools, and libraries that create a common platform for using and developing applications in the programming language Haskell. With the Haskell Platform, Haskell follows the same principle as Python: "Batteries included". [3] Since 2022, the Haskell Platform has been deprecated. [4]
Combinatory logic is a notation to eliminate the need for quantified variables in mathematical logic.It was introduced by Moses Schönfinkel [1] and Haskell Curry, [2] and has more recently been used in computer science as a theoretical model of computation and also as a basis for the design of functional programming languages.
Closure (computer programming) Colon (punctuation) Comparison of programming languages (algebraic data type) Comparison of programming languages (list comprehension) Concurrent Haskell; Conditional (computer programming) Control flow; Corecursion; Curry (programming language)