Index - U
| unfoldr | Data.Extra |
| union | Data.Extra |
| unionBy | Data.Extra |
| unionOf | Data.List.Extra, Data.Extra |
| UniversalTime | Data.Extra |
| unlines | Data.Extra |
| unwords | Data.Extra |
| unzip | Data.Extra |
| unzip3 | Data.Extra |
| unzip4 | Data.Extra |
| unzip5 | Data.Extra |
| unzip6 | Data.Extra |
| unzip7 | Data.Extra |
| upper | Data.String.Extra, Data.Extra |
| ut1ToLocalTime | Data.Extra |
| utc | Data.Extra |
| utctDay | Data.Extra |
| utctDayTime | Data.Extra |
| UTCTime | |
| 1 (Data Constructor) | Data.Extra |
| 2 (Type/Class) | Data.Extra |
| utcToLocalTime | Data.Extra |
| utcToLocalTimeOfDay | Data.Extra |
| utcToLocalZonedTime | Data.Extra |
| utcToZonedTime | Data.Extra |