Index - U
| ul_ | Butler.Prelude, Butler | 
| Unbound | Butler.Prelude, Butler | 
| unGetTBQueue | Butler.Prelude, Butler | 
| unGetTChan | Butler.Prelude, Butler | 
| unGetTQueue | Butler.Prelude, Butler | 
| UnicodeException | Butler.Prelude, Butler | 
| uninterruptibleCancel | Butler.Prelude, Butler | 
| uninterruptibleMask | Butler.Prelude, Butler | 
| uninterruptibleMask_ | Butler.Prelude, Butler | 
| unixService | Butler.Core.Network, Butler | 
| unless | Butler.Prelude, Butler | 
| unlessM | Butler.Prelude, Butler | 
| UnliftIO | |
| 1 (Data Constructor) | Butler.Prelude, Butler | 
| 2 (Type/Class) | Butler.Prelude, Butler | 
| unliftIO | Butler.Prelude, Butler | 
| unregisterApp | Butler.App | 
| unsafeFrom | Butler.Prelude, Butler | 
| unwrapArrow | Butler.Prelude, Butler | 
| unwrapMonad | Butler.Prelude, Butler | 
| updateChat | Butler.App.Chat | 
| updateWindow | Butler.Window, Butler | 
| UppercaseLetter | Butler.Prelude, Butler | 
| useHtmx | Butler.Prelude, Butler | 
| useHtmxExtension | Butler.Prelude, Butler | 
| useHtmxVersion | Butler.Prelude, Butler | 
| useHtmxVersionExtension | Butler.Prelude, Butler | 
| usemap_ | Butler.Prelude, Butler | 
| userColor | Butler.Display.User | 
| userColorStyle | Butler.Display.User | 
| UserConnected | Butler.App, Butler.Display, Butler | 
| UserDisconnected | Butler.App, Butler.Display, Butler | 
| userIcon | Butler.Display.User | 
| userIconTitle | Butler.Display.User | 
| UserMessage | Butler.App.Chat | 
| UserName | |
| 1 (Type/Class) | Butler.Display.User, Butler.Display.Session | 
| 2 (Data Constructor) | Butler.Display.User, Butler.Display.Session | 
| UTCTime | Butler.Prelude, Butler | 
| UUID | Butler.Prelude, Butler |