tldr/pages/common/ghc.md

ghc

The Glasgow Haskell Compiler. Compiles and links Haskell source files. More information: https://www.haskell.org/ghc.

• Find and compile all modules in the current directory:

ghc Main

• Compile a single file:

ghc {{file.hs}}

• Compile using extra optimization:

ghc -O {{file.hs}}

• Stop compilation after generating object files (.o):

ghc -c {{file.hs}}

• Run Haskell interactive interpreter (REPL):

ghci

• Evaluate a single expression:

ghc -e {{expression}}