#9613: when giving an error "No instance for C (a -> b)", suggest that a function may be underapplied -------------------------------------+------------------------------------- Reporter: rwbarton | Owner: Type: feature | Status: new request | Milestone: Priority: normal | Version: 7.8.3 Component: Compiler | Keywords: (Type checker) | Architecture: Unknown/Multiple Resolution: | Difficulty: Unknown Operating System: | Blocked By: Unknown/Multiple | Related Tickets: Type of failure: | None/Unknown | Test Case: | Blocking: | Differential Revisions: | -------------------------------------+------------------------------------- Comment (by ibotty): the underapplied function is {{{ length . head . tail }}} it is missing an argument of type {{{[[a0]]}}}. am i missing things? -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/9613#comment:2 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler