#7627: Space in nullary unboxed tuples -----------------------------+---------------------------------------------- Reporter: monoidal | Owner: Type: bug | Status: new Priority: normal | Component: Compiler Version: 7.6.1 | Keywords: Os: Unknown/Multiple | Architecture: Unknown/Multiple Failure: None/Unknown | Blockedby: Blocking: | Related: -----------------------------+---------------------------------------------- Comment(by parcs): What are the consequences of changing the OccName of the unit unboxed tuple from (##) to (# #) ? e.g. {{{ diff --git a/compiler/basicTypes/OccName.lhs b/compiler/basicTypes/OccName.lhs index afdde7c..dc7bf0a 100644 --- a/compiler/basicTypes/OccName.lhs +++ b/compiler/basicTypes/OccName.lhs @@ -821,7 +821,7 @@ mkTupleOcc ns sort ar = OccName ns (mkFastString str) -- no need to cache these, the caching is done in the caller -- (TysWiredIn.mk_tuple) str = case sort of - UnboxedTuple -> '(' : '#' : commas ++ "#)" + UnboxedTuple -> "(#" ++ (if null commas then " " else commas) ++ "#)" BoxedTuple -> '(' : commas ++ ")" ConstraintTuple -> '(' : commas ++ ")" -- Cute hack: reuse the standard tuple OccNames (and hence code) }}} -- Ticket URL: http://hackage.haskell.org/trac/ghc/ticket/7627#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler