No "warning: [-Wunrecognised-pragmas] Unrecognised pragma" when there is no name of pragmas
module Qwer where
a = ({-# LANGUAGE #-})
main :: IO ()
main = print (if True then () else ())
if a = ({-# #-})
then GHC compiles with a warning\\
qwer.hs:3:6: warning: [-Wunrecognised-pragmas] Unrecognised pragma
|
3 | a = ({-# #-})
| ^^^
Ok, modules loaded: Qwer.
if you write a = ({-# LANGUAGE #-})
without writing the name GHC compiles the file without specifying a warning.\\
*Qwer> :l qwer.hs
[1 of 1] Compiling Qwer ( qwer.hs, interpreted )
Ok, modules loaded: Qwer.
GHCi, version 8.2.0.20170507
Trac metadata
Trac field | Value |
---|---|
Version | 8.0.1 |
Type | Bug |
TypeOfFailure | OtherFailure |
Priority | normal |
Resolution | Unresolved |
Component | Compiler |
Test case | |
Differential revisions | |
BlockedBy | |
Related | |
Blocking | |
CC | |
Operating system | |
Architecture |