Template Haskell confused by operator fixity
Reported by JCAB
{-# LANGUAGE TemplateHaskell #-}
module MkData where
import Language.Haskell.TH
import Language.Haskell.TH.Syntax
op a b = a + b
decl = [d| func = 0 `op` 3 |]
Works with 6.8.3, but with the 6.10 beta, it dies with the strange message
C:\Users\JCAB\Haskell\THTest>ghc --make main.hs
[1 of 2] Compiling MkData ( MkData.hs, MkData.o )
attempting to use module `main:MkData' (.\MkData.hs) which is not loaded
When looking up op
, GHC doesn't find the fixity correctly. (SLPJ comment: having looked at the code in RnEnv.lookupFixity
I can't see how 6.8.3 works!)
Trac metadata
Trac field | Value |
---|---|
Version | 6.8.3 |
Type | Bug |
TypeOfFailure | OtherFailure |
Priority | normal |
Resolution | Unresolved |
Component | Compiler |
Test case | |
Differential revisions | |
BlockedBy | |
Related | |
Blocking | |
CC | jcab.lists@JCABs-Rumblings.com |
Operating system | Unknown |
Architecture | Unknown |