| call | Control.Eff.Concurrent.Api.Client, Control.Eff.Concurrent |
| CallbackObserver | Control.Eff.Concurrent.Api.Observer, Control.Eff.Concurrent |
| callRegistered | Control.Eff.Concurrent.Api.Client, Control.Eff.Concurrent |
| callRegisteredA | Control.Eff.Concurrent.Api.Client, Control.Eff.Concurrent |
| captureLogs | Control.Eff.Log.Handler, Control.Eff.Log, Control.Eff.Concurrent |
| cast | Control.Eff.Concurrent.Api.Client, Control.Eff.Concurrent |
| castChecked | Control.Eff.Concurrent.Api.Client, Control.Eff.Concurrent |
| castRegistered | Control.Eff.Concurrent.Api.Client, Control.Eff.Concurrent |
| catchError | Control.Eff.ExceptionExtra |
| catchRaisedError | Control.Eff.Concurrent.Process, Control.Eff.Concurrent |
| catchUnhandled | Control.Eff.Concurrent.Api.Server, Control.Eff.Concurrent |
| clockDaemon | Control.Eff.Log.Message, Control.Eff.Log, Control.Eff.Concurrent |
| clockDaemon2 | Control.Eff.Log.Message, Control.Eff.Log, Control.Eff.Concurrent |
| closeLogChannelAfter | Control.Eff.Log.Channel, Control.Eff.Log, Control.Eff.Concurrent |
| ConsProcess | Control.Eff.Concurrent.Process, Control.Eff.Concurrent |
| criticalSeverity | Control.Eff.Log.Message, Control.Eff.Log, Control.Eff.Concurrent |