Granted, I'm lazy. I read release notes only and only few first pages to see what's new. Couldn't GHCI be improved to at least give some hints?
it does!-) watch the prompt, which says '*M>', if all of M's top-level is in scope, or 'M>', if only M's exports are in scope. check here: http://www.haskell.org/ghc/docs/latest/html/users_guide/interactive-evaluati... claus ------------------------- notice how in this example session, the ghci prompt before compilation is '*Main>', whereas it is 'Prelude Main>' after compilation (ghci adds the Prelude because otherwise only 'main' would be in scope): ------------------------- $ ghcii.sh u.hs ___ ___ _ / _ \ /\ /\/ __(_) / /_\// /_/ / / | | GHC Interactive, version 6.6.1, for Haskell 98. / /_\\/ __ / /___| | http://www.haskell.org/ghc/ \____/\/ /_/\____/|_| Type :? for help. Loading package base ... linking ... done. [1 of 1] Compiling Main ( u.hs, interpreted ) Ok, modules loaded: Main. *Main> :q Leaving GHCi. $ ghc --make u [1 of 1] Compiling Main ( u.hs, u.o ) Linking u.exe ... $ ghcii.sh u.hs ___ ___ _ / _ \ /\ /\/ __(_) / /_\// /_/ / / | | GHC Interactive, version 6.6.1, for Haskell 98. / /_\\/ __ / /___| | http://www.haskell.org/ghc/ \____/\/ /_/\____/|_| Type :? for help. Loading package base ... linking ... done. Ok, modules loaded: Main. Prelude Main> :q Leaving GHCi.