Index - U
| Unauthorized | |
| 1 (Data Constructor) | Servant.Server.Internal.BasicAuth, Servant.Server, Servant |
| 2 (Data Constructor) | Servant.Server.Internal |
| unBasicAuthCheck | Servant.Server.Internal.BasicAuth, Servant.Server, Servant |
| UndecodableHeader | Servant |
| unSnapMethod | Servant.Server.Internal.SnapShims |
| unsupportedMediaType415 | Servant.Server.Internal.SnapShims |
| URI | |
| 1 (Data Constructor) | Servant |
| 2 (Type/Class) | Servant |
| uriAuthority | Servant |
| uriFragment | Servant |
| uriPath | Servant |
| uriQuery | Servant |
| uriScheme | Servant |