Hello, World Program is a basic Simple First program or application to code and learn any new programming language.
It just displays the hello world string to the console.
This post shows how to write a Hello World application in Haskell Programming language.
Haskell Hello World Example
Open the editor of your choice.
- Create a text file name called helloworld.ml
- add the below line of code
-- hello world program module Main where main = putStrLn "Hello, World!"
main is the main function entry point to the Haskell program, It is defined in the module.
putStrLn is a function that prints the string to the console
-- hello world program are single comments, ignored by the Haskell compiler.
Ho to run Haskell program using command line
- Go to terminal,
- Make sure that the
ghccommand is working.
ghcis a Haskell compiler.
[1 of 1] Compiling Main ( helloworld.hs, helloworld.o ) Linking helloworld …