Index - T
| tailDef | Universum |
| tailMay | Universum |
| tails | Universum |
| tailSafe | Universum |
| take | Universum |
| takeMVar | Universum |
| takeWhile | Universum |
| tan | Base, Universum |
| tanDouble | Base, Universum |
| tanFloat | Base, Universum |
| tanh | Base, Universum |
| tanhDouble | Base, Universum |
| tanhFloat | Base, Universum |
| testBit | Universum |
| testBitDefault | Universum |
| testBitInteger | Base, Universum |
| Text | Universum |
| threadCapability | Universum |
| threadDelay | Universum |
| ThreadId | Universum |
| ThreadKilled | Universum |
| threadWaitRead | Universum |
| threadWaitReadSTM | Universum |
| threadWaitWrite | Universum |
| threadWaitWriteSTM | Universum |
| throwError | Universum |
| throwIO | Universum |
| throwSTM | Universum |
| throwTo | Universum |
| timesDouble | Base, Universum |
| timesFloat | Base, Universum |
| timesInteger | Base, Universum |
| toEnum | Base, Universum |
| toEnumError | Base, Universum |
| toException | Universum |
| toInteger | Base, Universum |
| toIntegralSized | Universum |
| toList | Universum |
| toRational | Base, Universum |
| toS | Conv, Universum |
| toSL | Conv, Universum |
| toStrict | Universum |
| trace | Debug, Universum |
| traceId | Debug, Universum |
| traceIO | Debug, Universum |
| traceM | Debug, Universum |
| traceShow | Debug, Universum |
| traceShowId | Debug, Universum |
| traceShowM | Debug, Universum |
| transpose | Universum |
| Traversable | Universum |
| traverse | Universum |
| traverse_ | Universum |
| True | Universum |
| truncate | Base, Universum |
| try | Universum |
| tryJust | Universum |
| tryPutMVar | Universum |
| tryReadMVar | Universum |
| tryTakeMVar | Universum |
| Typeable | Universum |
| TypeError | |
| 1 (Data Constructor) | Universum |
| 2 (Type/Class) | Universum |