Index - U
| Underscore | ASCII.Char |
| unicodeStringToByteListMaybe | ASCII |
| unicodeStringToByteStringMaybe | ASCII |
| unicodeStringToCharListMaybe | ASCII |
| unicodeStringToCharListUnsafe | ASCII |
| unicodeToCharMaybe | ASCII |
| unicodeToCharUnsafe | ASCII |
| UnitSeparator | ASCII.Char |
| UpperCase | ASCII, ASCII.Case |