shithub: MicroHs

ref: 2dc297eb6a2d48cf1e8baae60e3f9edfc54a340a
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 ())