#2222: Template Haskell: reify returns incorrect types when ommiting type signatures ---------------------------------+------------------------------------------ Reporter: fons | Owner: Type: bug | Status: new Priority: normal | Milestone: _|_ Component: Template Haskell | Version: 6.8.2 Keywords: | Os: Unknown/Multiple Architecture: Unknown/Multiple | Failure: None/Unknown Difficulty: Unknown | Testcase: Blockedby: | Blocking: Related: | ---------------------------------+------------------------------------------ Changes (by morabbin): * failure: => None/Unknown Comment: TH has moved on a little, and now all of the decl splices act as expected by OP: {{{ Orac:~/work/ghc $ ghci -fth ReifyPlusTypeInferenceBugs.hs GHCi, version 7.6.1: http://www.haskell.org/ghc/ :? for help Loading package ghc-prim ... linking ... done. Loading package integer-gmp ... linking ... done. Loading package base ... linking ... done. [1 of 1] Compiling ReifyPlusTypeInferenceBugs ( ReifyPlusTypeInferenceBugs.hs, interpreted ) Loading package pretty-1.1.1.0 ... linking ... done. Loading package array-0.4.0.1 ... linking ... done. Loading package deepseq-1.3.0.1 ... linking ... done. Loading package containers-0.5.0.0 ... linking ... done. Loading package template-haskell ... linking ... done. inside d: t_0 inside b: a_0 type of c: GHC.Types.Bool inside f: GHC.Types.Bool type of e: GHC.Types.Bool Ok, modules loaded: ReifyPlusTypeInferenceBugs. }}} The output for `d` is precisely as OP reports, and output for `e` is the same modulo type variable change (from `t0` to `a0`). -- Ticket URL: http://hackage.haskell.org/trac/ghc/ticket/2222#comment:5 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler