| UACCT | |
| 1 (Data Constructor) | HSP.Google.Analytics |
| 2 (Type/Class) | HSP.Google.Analytics |
| unauthorized | Happstack.Server.Response, Happstack.Server.SimpleHTTP, Happstack.Server |
| unBody | Happstack.Server.Internal.Types, Happstack.Server.Internal.LowLevel, Happstack.Server.Types, Happstack.Server.SimpleHTTP, Happstack.Server |
| unBracket | Happstack.Util.Common |
| unErrors | Happstack.Server.RqData, Happstack.Server.SimpleHTTP, Happstack.Server |
| unEscape | Happstack.Server.SURI |
| unEv | Happstack.State.Types |
| unFilterFun | Happstack.Server.Internal.Monads |
| unFilterT | Happstack.Server.Internal.Monads |
| union | |
| 1 (Function) | Happstack.Data.IxSet |
| 2 (Function) | Happstack.Data.IxSet.Ix |
| unpad | Happstack.Crypto.W64 |
| unproxify | Happstack.Server.Proxy, Happstack.Server.SimpleHTTP, Happstack.Server |
| unProxy | |
| 1 (Function) | Happstack.Data.Proxy, Happstack.Data.Serialize, Happstack.Data |
| 2 (Function) | Happstack.State |
| unrproxify | Happstack.Server.Proxy, Happstack.Server.SimpleHTTP, Happstack.Server |
| unsafeIOToEv | Happstack.State.Types, Happstack.State |
| unsafeIOToSTM | Happstack.State.Types |
| unsafeSTMToEv | Happstack.State.Types |
| unSAttr | HSP.ServerPartT |
| unSChild | HSP.ServerPartT |
| unServerPartT | Happstack.Server.Internal.Monads |
| unShadow | Happstack.State.Types |
| ununWebT | Happstack.Server.Internal.Monads |
| unWAttr | HSP.WebT |
| unWChild | HSP.WebT |
| UnWebT | Happstack.Server.Internal.Monads, Happstack.Server.Monads, Happstack.Server.SimpleHTTP, Happstack.Server |
| unWebT | Happstack.Server.Internal.Monads |
| unXml | Happstack.State.Types |
| Update | |
| 1 (Data Constructor) | Happstack.State.ComponentSystem, Happstack.State |
| 2 (Type/Class) | Happstack.State.Types, Happstack.State |
| update | |
| 1 (Function) | Happstack.State.Transaction, Happstack.State |
| 2 (Function) | Data.Concurrent.HashMap |
| UpdateEvent | Happstack.State.ComponentSystem, Happstack.State |
| UpdateHandler | Happstack.State.Transaction |
| updateIx | Happstack.Data.IxSet |
| uriRest | Happstack.Server.Routing, Happstack.Server.SimpleHTTP, Happstack.Server |
| urlDecode | Happstack.Server.HTTPClient.HTTP |
| urlEncode | Happstack.Server.HTTPClient.HTTP |
| urlEncodeVars | Happstack.Server.HTTPClient.HTTP |
| UsingXml | |
| 1 (Data Constructor) | Happstack.State.Types |
| 2 (Type/Class) | Happstack.State.Types |
| u_path | Happstack.Server.SURI |
| u_scheme | Happstack.Server.SURI |