fork(1) download
copy 
  1. xyu :: Maybe Int -> Int
  2. xyu (Just x) = x
  3.  
  4. main = putStrLn . show $ xyu Nothing
Runtime error #stdin #stdout #stderr 0s 4824KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Standard output is empty
stderr
copy 
prog: prog.hs:2:1-16: Non-exhaustive patterns in function xyu
https://ideone.com/GFwnhG
language:
Haskell (ghc 8.4.4)
created:
7 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!