[GHC] #12400: Suggest misspelling if a type signature has similarly named binding

#12400: Suggest misspelling if a type signature has similarly named binding -------------------------------------+------------------------------------- Reporter: Iceland_jack | Owner: Type: feature | Status: new request | Priority: lowest | Milestone: Component: Compiler | Version: 8.0.1 Keywords: | Operating System: Unknown/Multiple Architecture: | Type of failure: Incorrect Unknown/Multiple | warning at compile-time Test Case: | Blocked By: Blocking: | Related Tickets: Differential Rev(s): | Wiki Page: -------------------------------------+------------------------------------- Due to clumsy fingers I often run into {{{#!hs mkBinder :: a mkBidner = undefined }}} errors with {{{ t1ZE.hs:1:1-8: error: … The type signature for ‘mkBinder’ lacks an accompanying binding Compilation failed. }}} Maybe it could mention {{{ note: did you mean 'mkBinder'? }}} ---- How `clang` does it {{{#!c #include int main(void) { prinft("hi"); } }}} {{{ % clang -Werror c.c c.c:5:3: error: implicit declaration of function 'prinft' is invalid in C99 [-Werror,-Wimplicit-function-declaration] prinft("hi"); ^ c.c:5:3: note: did you mean 'printf'? /usr/include/stdio.h:362:12: note: 'printf' declared here extern int printf (const char *__restrict __format, ...); ^ 1 error generated. baldur@Loki:/tmp$ }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12400 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler