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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.
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Jhc, a Haskell compiler written by John Meacham, emphasizes speed and efficiency of generated programs and exploring new program transformations. Ajhc is a fork of Jhc. The Utrecht Haskell Compiler (UHC) is a Haskell implementation from Utrecht University. [49] It supports almost all Haskell 98 features plus many experimental extensions.
It is compatible with the compiler, Glasgow Haskell Compiler (GHC) and the interpreter, Haskell User's Gofer System . It is free and open-source software released under a BSD-style license. In QuickCheck, assertions are written about logical properties that a function should fulfill.
Hugs deviates from the Haskell 98 specification [2] in several minor ways. [3] For example, Hugs does not support mutually recursive modules. A list of differences exists. [4] The Hugs prompt is a Haskell read–eval–print loop (REPL). It accepts expressions for evaluation, but not module, type, or function definitions.
In the § More complex examples section above, calc is used in two senses, showing that there is a Haskell type class namespace and also a namespace for values: a Haskell type class for calc. The domain and range can be explicitly denoted in a Haskell type class. a Haskell value, formula, or expression for calc.
Because a parser combinator-based program is generally slower than a parser generator-based program, [citation needed] Parsec is normally used for small domain-specific languages, while Happy is used for compilers such as the Glasgow Haskell Compiler (GHC). [13] Other Haskell parser combinator libraries that have been derived from Parsec ...
The York Haskell Compiler (Yhc) is a no longer maintained [1] open source bytecode compiler for the functional programming language Haskell; it primarily targets the Haskell '98 standard. It is one of the four main Haskell compilers (behind GHC , Hugs and nhc98 ).