Language
Haskell
Compiler
ghc HEAD 8.3.20170710
Options
Warnings
$ ghc prog.hs -o prog.exe -Wall D 5.0
Exit Code:
0
Author
anonymous
about 8 years ago
Haskell
ghc HEAD 8.3.20170710
Author
anonymous
about 8 years ago
$ ghc prog.hs -o prog.exe -Wall [1 of 1] Compiling Main ( prog.hs, prog.o )
prog.hs:5:1: warning: [-Wunused-top-binds]
Defined but not used: type constructor or class ‘SomeTypeTag’
|
5 | data SomeTypeTag = SomeTypeTag
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
prog.hs:5:20: warning: [-Wunused-top-binds]
Defined but not used: data constructor ‘SomeTypeTag’
|
5 | data SomeTypeTag = SomeTypeTag
| ^^^^^^^^^^^
prog.hs:7:1: warning: [-Wmissing-signatures]
Top-level binding with no type signature: main :: IO ()
|
7 | main = print $ D 5
| ^^^^
Linking prog.exe ...
D 5.0