Control.Eff.Trace

A Trace effect for debugging

Documentation

data Trace v

Trace effect for debugging

Constructors

Trace String (() -> v)

Instances

Functor Trace

Methods

fmap :: (a -> b) -> Trace a -> Trace b

(<$) :: a -> Trace b -> Trace a

trace :: Member Trace r => String -> Eff r ()

Print a string as a trace.

runTrace :: Eff (Trace :> Void) w -> IO w

Run a computation producing Traces.