@hackage dump0.2.5

Dumps the names and values of expressions to ease debugging.

Example usage:

{-# LANGUAGE QuasiQuotes #-}

import Debug.Dump

main = print [d|a, a+1, map (+a) [1..3]|]
  where a = 2

which prints:

(a) = 2   (a+1) = 3       (map (+a) [1..3]) = [3,4,5]

by turnint this String

"a, a+1, map (+a) [1..3]"

into this expression

( "(a) = " ++ show (a)            ++ "\t  " ++
  "(a+1) = " ++ show (a + 1)      ++ "\t  " ++
  "(map (+a) [1..3]) = " ++ show (map (+ a) [1 .. 3])
)

Have a look at the list of features.