‘class C using’ fails to parse with MonadComprehensions
TransformListComp
/ MonadComprehensions
reserve using
but should this not work?
{-# Language TransformListComp #-}
class C using
gives
$ ghci -ignore-dot-ghci /tmp/X.hs
GHCi, version 8.5.20180105: http://www.haskell.org/ghc/ :? for help
[1 of 1] Compiling Main ( /tmp/X.hs, interpreted )
/tmp/X.hs:3:9: error: parse error on input ‘using’
|
3 | class C using
| ^^^^^
Failed, no modules loaded.
Prelude>
Trac metadata
Trac field | Value |
---|---|
Version | 8.2.2 |
Type | Bug |
TypeOfFailure | OtherFailure |
Priority | normal |
Resolution | Unresolved |
Component | Compiler |
Test case | |
Differential revisions | |
BlockedBy | |
Related | |
Blocking | |
CC | |
Operating system | |
Architecture |