trace -package:streamly package:polysemy

trace :: forall r_aCco . Member Trace r_aCco => String -> Sem r_aCco ()
polysemy Polysemy.Trace
Log a message.
module Polysemy.Trace
polysemy
data Trace m a
polysemy Polysemy.Trace
An effect for logging strings.
Trace :: String -> Trace m ()
polysemy Polysemy.Trace
Log a message.
traceToHandle :: Member (Embed IO) r => Handle -> Sem (Trace : r) a -> Sem r a
polysemy Polysemy.Trace
Run a Trace effect by printing the messages to the provided Handle.
traceToIO :: Member (Embed IO) r => Sem (Trace : r) a -> Sem r a
polysemy Polysemy.Trace
Deprecated: Use traceToStdout
traceToOutput :: Member (Output String) r => Sem (Trace : r) a -> Sem r a
polysemy Polysemy.Trace
Transform a Trace effect into a Output String effect.
traceToStderr :: Member (Embed IO) r => Sem (Trace : r) a -> Sem r a
polysemy Polysemy.Trace
Run a Trace effect by printing the messages to stderr.
traceToStdout :: Member (Embed IO) r => Sem (Trace : r) a -> Sem r a
polysemy Polysemy.Trace
Run a Trace effect by printing the messages to stdout.
ignoreTrace :: Sem (Trace : r) a -> Sem r a
polysemy Polysemy.Trace
Run a Trace effect by ignoring all of its messages.
outputToTrace :: forall w r a . Member Trace r => (w -> String) -> Sem (Output w : r) a -> Sem r a
polysemy Polysemy.Trace
Transform an Output w effect into a Trace effect given a function to transform each w to a String.
runTraceList :: Sem (Trace : r) a -> Sem r ([String], a)
polysemy Polysemy.Trace
Get the result of a Trace effect as a list of Strings.