shithub: MicroHs

ref: 4f1698b76ead47ff4e5c92ea19767ddd6e8ff133
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 ())