shithub: MicroHs

ref: f094734a68bceb5a7c03a42e4d4533ffa7b5e8f7
dir: /lib/Debug/Trace.hs/

View raw version 
module Debug.Trace(module Debug.Trace) where
import Prelude(); import MiniPrelude
import Primitives

trace :: forall a . String -> a -> a
trace msg a = primitive "IO.performIO" (
  do
    putStrLn msg
    return a
  )

traceM :: forall m . Monad m => String -> m ()
traceM s = trace s (return ())