| Tag | Data.Effect.Tag |
| Tagged | Data.Effect.Tag |
| TaggedLabel | Data.Effect.Tag |
| taggedPerformerConf | Data.Effect.TH |
| Tell | |
| 1 (Type/Class) | Control.Monad.Hefty.Writer, Data.Effect, Data.Effect.Writer |
| 2 (Data Constructor) | Control.Monad.Hefty.Writer, Data.Effect, Data.Effect.Writer |
| tell | Control.Monad.Hefty.Writer, Data.Effect.Writer |
| tell' | Control.Monad.Hefty.Writer, Data.Effect.Writer |
| tell'' | Control.Monad.Hefty.Writer, Data.Effect.Writer |
| tell'_ | Control.Monad.Hefty.Writer, Data.Effect.Writer |
| TellLabel | Data.Effect |
| Terminated | Control.Monad.Hefty.Concurrent.Stream |
| Throw | |
| 1 (Type/Class) | Control.Monad.Hefty.Except, Data.Effect, Data.Effect.Except |
| 2 (Data Constructor) | Control.Monad.Hefty.Except, Data.Effect, Data.Effect.Except |
| throw | Control.Monad.Hefty.Except, Data.Effect.Except |
| throw' | Control.Monad.Hefty.Except, Data.Effect.Except |
| throw'' | Control.Monad.Hefty.Except, Data.Effect.Except |
| throw'_ | Control.Monad.Hefty.Except, Data.Effect.Except |
| ThrowLabel | Data.Effect |
| Timer | Control.Monad.Hefty.Concurrent.Timer, Data.Effect.Concurrent.Timer |
| TimerLabel | Control.Monad.Hefty.Concurrent.Timer, Data.Effect.Concurrent.Timer |
| toRawCreateProcess | Control.Monad.Hefty.Concurrent.Subprocess |
| toRawStdStream | Control.Monad.Hefty.Concurrent.Subprocess |
| transactState | Control.Monad.Hefty.State |
| TryWriteStdin | Control.Monad.Hefty.Concurrent.Subprocess |
| tryWriteStdin | Control.Monad.Hefty.Concurrent.Subprocess |
| tryWriteStdin' | Control.Monad.Hefty.Concurrent.Subprocess |
| tryWriteStdin'' | Control.Monad.Hefty.Concurrent.Subprocess |
| tryWriteStdin'_ | Control.Monad.Hefty.Concurrent.Subprocess |