ref: e380df13ea0e9bd51da46df820071b637c46b0bd
dir: /lib/Debug/Trace.hs/
module Debug.Trace(module Debug.Trace) where
import Prelude
import Primitives
trace :: forall a . String -> a -> a
trace msg a = primitive "IO.performIO" (
do
putStrLn msg
return a
)
traceM :: forall (m :: Type -> Type) a . Monad m => String -> m ()
traceM s = trace s (return ())