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About HS Files

A .hs file is a source code file that contains program instructions written in the Haskell programming language. HS files typically define functions, data types, and other instructions used to process information, perform calculations, or implement application logic. Haskell uses a functional programming approach, in which programs are built primarily around functions and expressions rather than sequences of commands that change data.

Haskell was developed in the late 1980s to establish a common standard for functional programming research and development. Programmers, researchers, and educators use Haskell to explore programming language concepts and develop applications involving mathematical computations, data processing, and complex software logic. You may encounter .hs files when studying functional programming, maintaining existing Haskell projects, contributing to open-source software, or developing applications with the Glasgow Haskell Compiler (GHC).

You can open and view the contents of an .hs file with a source code editor or plain text editor. However, to compile and run the code, you generally need a compatible Haskell compiler or interpreter, such as GHC or GHCi.