ghci.conf

-- OverloadedStrings is often useful.
:set -XOverloadedStrings

-- Scoped type variables is often useful so we can specify the types
-- of variables (for example, in lambda expressions).
:set -XScopedTypeVariables

-- useful for import from specified package
:set -XPackageImports

-- Force load dependencies

:set -package funnyprint

-- :set -package hscolour
-- :set -package ipprint
-- :set -package hlint
-- :set -package hi

-- :set -package hoogle
-- :set -package haskell-docs

-- Import Prelude.  Some projects don't import the Prelude by default, but
-- we are using types and functions from the Prelude in the following hoogle
-- function definition, so we need to make sure that Prelude is imported.
import Prelude

-- give us a `hoogle` function to if the hoogle binary is available.
-- :def hoogle \s -> return $ ":! hoogle --count=15 \"" ++ s ++ "\""
let escape arg = "'" ++ ((\c -> if c == '\'' then "'\"'\"'" else [c]) =<< arg) ++"'"
:def! search return . (":!hoogle --count=50 --color " ++) . escape
:def! doc return . (":!hoogle --count=50 --color --info " ++) . escape

-- Show the types of evaluated expressions
:set +t

-- And stats
:set +s

-- Enable multi-line expressions with :{ and :}
:set +m

-- ghci-ng support
-- :set +c

-- Make the prompt a little more colorful.
-- And pretty-printing values

:def color (\_ -> return (":set -interactive-print=FunnyPrint.funnyPrint\n:set prompt \"" ++ FunnyPrint.prompt "λ " "%s" " ¬\\nλ > " ++ "\"" ++ "\n:set prompt2 \"" ++ FunnyPrint.prompt2 "λ" "" " | " ++ "\""))
:def nocolor (\_ -> return ":set -interactive-print=print\n:set prompt \"%s> \"\n:set prompt2 \"%s| \"")

:color

--
--

-- New current minimal config:

:set -XPackageImports
:set +m
:def hoogle \x -> return $ ":! hoogle \"" ++ x ++ "\""
:def hoogle-info \x -> return $ ":! hoogle --info \"" ++ x ++ "\""

-- update tags
:def tags \_ -> return ":! haskdogs -- --ignore-close-implementation --etags"

-- update docs
:def docs \_ -> return ":! stack exec hoogle generate && stack hoogle --rebuild"

:def doc \input -> return $ ":! haskell-docs " ++ input

:set -ddump-deriv

:set -XOverloadedStrings
:set -XOverloadedLists
:set -XScopedTypeVariables
:set -XPackageImports
:set -XStandaloneDeriving