| UArray | Data.Array.Unboxed |
| UContext | Data.Graph.Inductive.Graph, Data.Graph.Inductive |
| UDecomp | Data.Graph.Inductive.Graph, Data.Graph.Inductive |
| UEdge | Data.Graph.Inductive.Graph, Data.Graph.Inductive |
| UGr | Data.Graph.Inductive.Tree, Data.Graph.Inductive |
| UNode | Data.Graph.Inductive.Graph, Data.Graph.Inductive |
| UPath | Data.Graph.Inductive.Graph, Data.Graph.Inductive |
| URI |
| 1 (Type/Class) | Network.URI |
| 2 (Data Constructor) | Network.URI |
| URIAuth |
| 1 (Type/Class) | Network.URI |
| 2 (Data Constructor) | Network.URI |
| URL | Text.Html |
| USGr | Data.Graph.Inductive.Monad.IOArray, Data.Graph.Inductive |
| UnExpect | Text.ParserCombinators.Parsec.Error |
| UnQual | Language.Haskell.Syntax |
| Unbuffered | Graphics.HGL.Window, Graphics.HGL.Core, Graphics.HGL |
| UndecidableInstances | Language.Haskell.Extension, Distribution.Extension, Distribution.Simple |
| UndefinedElement | Control.Exception |
| Underflow | Control.Exception |
| UndoBegin | System.Console.Readline |
| UndoCode | System.Console.Readline |
| UndoDelete | System.Console.Readline |
| UndoEnd | System.Console.Readline |
| UndoInsert | System.Console.Readline |
| UnionVersionRanges | Distribution.Version, Distribution.Simple |
| Uniq | Language.Haskell.TH.Syntax |
| Unique | Data.Unique |
| UnixSocket | Network |
| Unlock | System.Posix.IO, System.Posix |
| UnmappingFailed | Graphics.Rendering.OpenGL.GL.BufferObjects, Graphics.Rendering.OpenGL.GL, Graphics.Rendering.OpenGL, Graphics.UI.GLUT |
| Unpack | Graphics.Rendering.OpenGL.GL.PixelRectangles.PixelStorage, Graphics.Rendering.OpenGL.GL.PixelRectangles, Graphics.Rendering.OpenGL.GL, Graphics.Rendering.OpenGL, Graphics.UI.GLUT |
| UnpackCMYK | Graphics.Rendering.OpenGL.GL.Hints, Graphics.Rendering.OpenGL.GL, Graphics.Rendering.OpenGL, Graphics.UI.GLUT |
| UnregisterCmd | Distribution.Setup |
| Unsafe | Language.Haskell.TH.Syntax, Language.Haskell.TH |
| UnsignedByte | Graphics.Rendering.OpenGL.GL.VertexArrays, Graphics.Rendering.OpenGL.GL, Graphics.Rendering.OpenGL, Graphics.UI.GLUT |
| UnsignedByte233Rev | Graphics.Rendering.OpenGL.GL.VertexArrays, Graphics.Rendering.OpenGL.GL, Graphics.Rendering.OpenGL, Graphics.UI.GLUT |
| UnsignedByte332 | Graphics.Rendering.OpenGL.GL.VertexArrays, Graphics.Rendering.OpenGL.GL, Graphics.Rendering.OpenGL, Graphics.UI.GLUT |
| UnsignedInt | Graphics.Rendering.OpenGL.GL.VertexArrays, Graphics.Rendering.OpenGL.GL, Graphics.Rendering.OpenGL, Graphics.UI.GLUT |
| UnsignedInt1010102 | Graphics.Rendering.OpenGL.GL.VertexArrays, Graphics.Rendering.OpenGL.GL, Graphics.Rendering.OpenGL, Graphics.UI.GLUT |
| UnsignedInt2101010Rev | Graphics.Rendering.OpenGL.GL.VertexArrays, Graphics.Rendering.OpenGL.GL, Graphics.Rendering.OpenGL, Graphics.UI.GLUT |
| UnsignedInt248 | Graphics.Rendering.OpenGL.GL.VertexArrays, Graphics.Rendering.OpenGL.GL, Graphics.Rendering.OpenGL, Graphics.UI.GLUT |
| UnsignedInt8888 | Graphics.Rendering.OpenGL.GL.VertexArrays, Graphics.Rendering.OpenGL.GL, Graphics.Rendering.OpenGL, Graphics.UI.GLUT |
| UnsignedInt8888Rev | Graphics.Rendering.OpenGL.GL.VertexArrays, Graphics.Rendering.OpenGL.GL, Graphics.Rendering.OpenGL, Graphics.UI.GLUT |
| UnsignedShort | Graphics.Rendering.OpenGL.GL.VertexArrays, Graphics.Rendering.OpenGL.GL, Graphics.Rendering.OpenGL, Graphics.UI.GLUT |
| UnsignedShort1555Rev | Graphics.Rendering.OpenGL.GL.VertexArrays, Graphics.Rendering.OpenGL.GL, Graphics.Rendering.OpenGL, Graphics.UI.GLUT |
| UnsignedShort4444 | Graphics.Rendering.OpenGL.GL.VertexArrays, Graphics.Rendering.OpenGL.GL, Graphics.Rendering.OpenGL, Graphics.UI.GLUT |
| UnsignedShort4444Rev | Graphics.Rendering.OpenGL.GL.VertexArrays, Graphics.Rendering.OpenGL.GL, Graphics.Rendering.OpenGL, Graphics.UI.GLUT |
| UnsignedShort5551 | Graphics.Rendering.OpenGL.GL.VertexArrays, Graphics.Rendering.OpenGL.GL, Graphics.Rendering.OpenGL, Graphics.UI.GLUT |
| UnsignedShort565 | Graphics.Rendering.OpenGL.GL.VertexArrays, Graphics.Rendering.OpenGL.GL, Graphics.Rendering.OpenGL, Graphics.UI.GLUT |
| UnsignedShort565Rev | Graphics.Rendering.OpenGL.GL.VertexArrays, Graphics.Rendering.OpenGL.GL, Graphics.Rendering.OpenGL, Graphics.UI.GLUT |
| UnsignedShort88 | Graphics.Rendering.OpenGL.GL.VertexArrays, Graphics.Rendering.OpenGL.GL, Graphics.Rendering.OpenGL, Graphics.UI.GLUT |
| UnsignedShort88Rev | Graphics.Rendering.OpenGL.GL.VertexArrays, Graphics.Rendering.OpenGL.GL, Graphics.Rendering.OpenGL, Graphics.UI.GLUT |
| Up | Graphics.UI.GLUT.Callbacks.Window, Graphics.UI.GLUT.Callbacks, Graphics.UI.GLUT |
| UpDown | Graphics.UI.GLUT.Window, Graphics.UI.GLUT |
| UseCurrentContext | Graphics.UI.GLUT.Initialization, Graphics.UI.GLUT |
| UserEntry |
| 1 (Type/Class) | System.Posix.User, System.Posix |
| 2 (Data Constructor) | System.Posix.User, System.Posix |
| UserHooks |
| 1 (Type/Class) | Distribution.Simple |
| 2 (Data Constructor) | Distribution.Simple |
| UserID | System.Posix.Types, System.Posix |
| UserSpecified | Distribution.Program |
| uNDERLINE_POSITION | Graphics.X11.Xlib.Atom, Graphics.X11.Xlib |
| uNDERLINE_THICKNESS | Graphics.X11.Xlib.Atom, Graphics.X11.Xlib |
| ucycle | Data.Graph.Inductive.Example |
| ucycleM | Data.Graph.Inductive.Example |
| udff | Data.Graph.Inductive.Query.DFS, Data.Graph.Inductive.Query, Data.Graph.Inductive |
| udff' | Data.Graph.Inductive.Query.DFS, Data.Graph.Inductive.Query, Data.Graph.Inductive |
| udfs | Data.Graph.Inductive.Query.DFS, Data.Graph.Inductive.Query, Data.Graph.Inductive |
| udfs' | Data.Graph.Inductive.Query.DFS, Data.Graph.Inductive.Query, Data.Graph.Inductive |
| ufold | Data.Graph.Inductive.Graph, Data.Graph.Inductive |
| ufoldM | Data.Graph.Inductive.Monad, Data.Graph.Inductive |
| ulist | Text.Html |
| unEscapeString | Network.URI |
| unGM | Data.Generics.Aliases, Data.Generics |
| unGQ | Data.Generics.Aliases, Data.Generics |
| unGT | Data.Generics.Aliases, Data.Generics |
| unGeneric' | Data.Generics.Aliases, Data.Generics |
| unGetChan | Control.Concurrent.Chan, Control.Concurrent |
| unGetTChan | Control.Concurrent.STM.TChan, Control.Concurrent.STM |
| unProject | Graphics.Rendering.OpenGL.GLU.Matrix, Graphics.Rendering.OpenGL.GLU, Graphics.Rendering.OpenGL, Graphics.UI.GLUT |
| unProject4 | Graphics.Rendering.OpenGL.GLU.Matrix, Graphics.Rendering.OpenGL.GLU, Graphics.Rendering.OpenGL, Graphics.UI.GLUT |
| unbindCommandInMap | System.Console.Readline |
| unbindKey | System.Console.Readline |
| unbindKeyInMap | System.Console.Readline |
| unblock | Control.Exception |
| unblockSignals | System.Posix.Signals, System.Posix.Signals.Exts, System.Posix |
| uncurry | Data.Tuple, Prelude |
| undefineCursor | Graphics.X11.Xlib.Misc, Graphics.X11.Xlib |
| undefined | Prelude |
| underline | Text.Html |
| undir | Data.Graph.Inductive.Basic, Data.Graph.Inductive |
| undl | System.Posix.DynamicLinker |
| unexpected | Text.ParserCombinators.Parsec.Prim, Text.ParserCombinators.Parsec |
| unfoldForest | Data.Tree |
| unfoldForestM | Data.Tree |
| unfoldForestM_BF | Data.Tree |
| unfoldTree | Data.Tree |
| unfoldTreeM | Data.Tree |
| unfoldTreeM_BF | Data.Tree |
| unfoldr | Data.List |
| ungrabButton | Graphics.X11.Xlib.Misc, Graphics.X11.Xlib |
| ungrabKey | Graphics.X11.Xlib.Misc, Graphics.X11.Xlib |
| ungrabKeyboard | Graphics.X11.Xlib.Misc, Graphics.X11.Xlib |
| ungrabPointer | Graphics.X11.Xlib.Misc, Graphics.X11.Xlib |
| ungrabServer | Graphics.X11.Xlib.Misc, Graphics.X11.Xlib |
| uninstallColormap | Graphics.X11.Xlib.Color, Graphics.X11.Xlib |
| union |
| 1 (Function) | Data.IntMap |
| 2 (Function) | Data.IntSet |
| 3 (Function) | Data.List |
| 4 (Function) | Data.Map |
| 5 (Function) | Data.Set |
| unionBy | Data.List |
| unionFileModes | System.Posix.Files, System.Posix |
| unionManySets | Data.Set |
| unionRectWithRegion | Graphics.X11.Xlib.Region, Graphics.X11.Xlib |
| unionRegion |
| 1 (Function) | Graphics.HGL.Draw.Region, Graphics.HGL.Draw, Graphics.HGL.Core, Graphics.HGL |
| 2 (Function) | Graphics.X11.Xlib.Region, Graphics.X11.Xlib |
| unionWith |
| 1 (Function) | Data.IntMap |
| 2 (Function) | Data.Map |
| unionWithKey |
| 1 (Function) | Data.IntMap |
| 2 (Function) | Data.Map |
| unions |
| 1 (Function) | Data.IntMap |
| 2 (Function) | Data.IntSet |
| 3 (Function) | Data.Map |
| 4 (Function) | Data.Set |
| unionsWith |
| 1 (Function) | Data.IntMap |
| 2 (Function) | Data.Map |
| unit | Data.Graph.Inductive.Internal.Heap |
| unitFM | Data.FiniteMap |
| unitSet | Data.Set |
| unit_con | Language.Haskell.Syntax |
| unit_con_name | Language.Haskell.Syntax |
| unit_tycon | Language.Haskell.Syntax |
| unit_tycon_name | Language.Haskell.Syntax |
| unlab | Data.Graph.Inductive.Basic, Data.Graph.Inductive |
| unless | Control.Monad, Control.Monad.Reader, Control.Monad.Writer, Control.Monad.State, Control.Monad.RWS, Control.Monad.Identity, Control.Monad.Cont, Control.Monad.Error, Control.Monad.List |
| unlines | Data.List, Prelude |
| unlinesPS | Data.PackedString |
| unlit | Distribution.PreProcess.Unlit |
| unmapGravity | Graphics.X11.Types, Graphics.X11.Xlib |
| unmapNotify | Graphics.X11.Types, Graphics.X11.Xlib |
| unmapSubwindows | Graphics.X11.Xlib.Window, Graphics.X11.Xlib |
| unmarshalObject | GHC.Dotnet |
| unmarshalString | GHC.Dotnet |
| unordList | Text.Html |
| unpackFamily | Network.Socket |
| unpackPS | Data.PackedString |
| unregHook | Distribution.Simple |
| unregScriptLocation | Distribution.Simple.Register |
| unregister | Distribution.Simple.Register |
| unreserved | Network.URI |
| unsafe | Language.Haskell.TH.Lib, Language.Haskell.TH |
| unsafeForeignPtrToPtr | Foreign.ForeignPtr, Foreign |
| unsafeFreeze | Data.Array.MArray, Data.Array.IO, Data.Array.ST, Data.Array.Storable |
| unsafeIOToST |
| 1 (Function) | Control.Monad.ST.Lazy |
| 2 (Function) | Control.Monad.ST, Control.Monad.ST.Strict |
| unsafeIOToSTM | GHC.Conc |
| unsafeInterleaveIO | System.IO.Unsafe |
| unsafeInterleaveST |
| 1 (Function) | Control.Monad.ST.Lazy |
| 2 (Function) | Control.Monad.ST, Control.Monad.ST.Strict |
| unsafePerformIO | System.IO.Unsafe, Foreign |
| unsafePreservingMatrix | Graphics.Rendering.OpenGL.GL.CoordTrans, Graphics.Rendering.OpenGL.GL, Graphics.Rendering.OpenGL, Graphics.UI.GLUT |
| unsafeRenderPrimitive | Graphics.Rendering.OpenGL.GL.BeginEnd, Graphics.Rendering.OpenGL.GL, Graphics.Rendering.OpenGL, Graphics.UI.GLUT |
| unsafeThaw | Data.Array.MArray, Data.Array.IO, Data.Array.ST, Data.Array.Storable |
| unsetEnv | System.Posix.Env, System.Posix |
| until | Prelude |
| unwords | Data.List, Prelude |
| unwordsPS | Data.PackedString |
| unzip | Data.List, Prelude |
| unzip3 | Data.List, Prelude |
| unzip4 | Data.List |
| unzip5 | Data.List |
| unzip6 | Data.List |
| unzip7 | Data.List |
| updAdjList | Data.Graph.Inductive.Query.MaxFlow, Data.Graph.Inductive.Query, Data.Graph.Inductive |
| updFM | Data.Graph.Inductive.Internal.FiniteMap |
| update |
| 1 (Function) | Data.HashTable |
| 2 (Function) | Data.IntMap |
| 3 (Function) | Data.Map |
| updateAt | Data.Map |
| updateFlow | Data.Graph.Inductive.Query.MaxFlow, Data.Graph.Inductive.Query, Data.Graph.Inductive |
| updateLookupWithKey |
| 1 (Function) | Data.IntMap |
| 2 (Function) | Data.Map |
| updateMax | Data.Map |
| updateMaxWithKey | Data.Map |
| updateMin | Data.Map |
| updateMinWithKey | Data.Map |
| updatePackageDescription | Distribution.PackageDescription |
| updatePosChar | Text.ParserCombinators.Parsec.Pos |
| updatePosString | Text.ParserCombinators.Parsec.Pos |
| updateProgram | Distribution.Program |
| updateState | Text.ParserCombinators.Parsec.Prim, Text.ParserCombinators.Parsec |
| updateWithKey |
| 1 (Function) | Data.IntMap |
| 2 (Function) | Data.Map |
| upper | Text.ParserCombinators.Parsec.Char, Text.ParserCombinators.Parsec |
| urgentDataAvailable | System.Posix.Signals, System.Posix.Signals.Exts, System.Posix |
| uriAuthority | Network.URI |
| uriFragment | Network.URI |
| uriPath | Network.URI |
| uriPort | Network.URI |
| uriQuery | Network.URI |
| uriRegName | Network.URI |
| uriScheme | Network.URI |
| uriToString | Network.URI |
| uriUserInfo | Network.URI |
| usageInfo |
| 1 (Function) | Distribution.GetOpt |
| 2 (Function) | System.Console.GetOpt |
| usemap | Text.Html |
| userConf | Distribution.Simple.LocalBuildInfo, Distribution.Simple.Configure |
| userDefinedSignal1 | System.Posix.Signals, System.Posix.Signals.Exts, System.Posix |
| userDefinedSignal2 | System.Posix.Signals, System.Posix.Signals.Exts, System.Posix |
| userError | System.IO.Error, Prelude |
| userErrorType | System.IO.Error |
| userErrors | Control.Exception |
| userGroupID | System.Posix.User, System.Posix |
| userID | System.Posix.User, System.Posix |
| userName | System.Posix.User, System.Posix |
| userShell | System.Posix.User, System.Posix |
| userSpecifyArgs | Distribution.Program |
| userSpecifyPath | Distribution.Program |
| userTime | System.Posix.Process, System.Posix |
| usernameCompletionFunction | System.Console.Readline |
| using | Control.Parallel.Strategies |
| usleep | System.Posix.Unistd, System.Posix |
