Haskell Online — Run GHC Haskell Code & Pure Functional IDE
Haskell Online Compiler, GHC Runner & Pure Functional IDE
ZenCompiler delivers a pure functional Haskell online environment and compiler powered by the Glasgow Haskell Compiler (GHC). Define custom data type declarations, explore Monads, Functors, type classes, lazy evaluation, pattern matching, and recursion in the cloud with zero setup.
Core Haskell Compiler Features
- Run GHC Haskell online with official GHC 9.6 compiler and rich type inference diagnostics
- Full support for custom algebraic data type definitions, typeclasses, and pattern matching
- Complete IO Monad, Functors, Applicatives, and Monad transformers support
- Interactive terminal input support via getLine and readLn
Linux Container Sandboxing & Toolchain
Compiled with ghc -O2 in secure Linux container environments with full standard GHC libraries.
Supported Use Cases
Functional programming coursework, type theory experiments, custom data type modeling, and recursive algorithm challenges.
Frequently Asked Questions
How do I run Haskell code online in ZenCompiler?
Simply type or paste your Haskell code into the editor, provide any optional inputs in the STDIN tab, and click the "Run" button (or press Ctrl/Cmd + Enter). Your code is executed inside a secure cloud Linux container with output streaming directly to the terminal.
Can I use ZenCompiler as an online haskell compiler for mobile?
Yes! ZenCompiler is fully optimized as a mobile compiler online. You can code, edit, and run Haskell on any mobile smartphone, iPhone, Android device, or tablet with responsive touch controls, virtual keyboard shortcuts, and full terminal input support without downloading any apps.
Which Haskell compiler or runtime version is used?
ZenCompiler executes code using Haskell (GHC 9.6), ensuring modern language standards, optimizations, and standard library support.
How do I define a custom data type in Haskell online?
Use the data keyword: data Tree a = Leaf | Node a (Tree a) (Tree a) deriving (Show, Eq). ZenCompiler compiles custom algebraic data types effortlessly.
Does the Haskell online compiler support IO actions and custom Monads?
Yes. You can write complete IO programs and custom Monad transformers with standard GHC libraries.
