| O | Compiler.Hoopl.Internals, Compiler.Hoopl |
| object | Text.XHtml.Strict, Text.XHtml.Frameset, Text.XHtml.Transitional, Text.XHtml |
| ObjectiveC | Distribution.Simple.CCompiler |
| ObjectiveCPlusPlus | Distribution.Simple.CCompiler |
| objExtension | Distribution.Simple.BuildPaths |
| oBJ_BITMAP | Graphics.Win32.GDI.Types, Graphics.Win32.GDI, Graphics.Win32 |
| oBJ_BRUSH | Graphics.Win32.GDI.Types, Graphics.Win32.GDI, Graphics.Win32 |
| oBJ_DC | Graphics.Win32.GDI.Types, Graphics.Win32.GDI, Graphics.Win32 |
| oBJ_ENHMETADC | Graphics.Win32.GDI.Types, Graphics.Win32.GDI, Graphics.Win32 |
| oBJ_ENHMETAFILE | Graphics.Win32.GDI.Types, Graphics.Win32.GDI, Graphics.Win32 |
| oBJ_EXTPEN | Graphics.Win32.GDI.Types, Graphics.Win32.GDI, Graphics.Win32 |
| oBJ_FONT | Graphics.Win32.GDI.Types, Graphics.Win32.GDI, Graphics.Win32 |
| oBJ_MEMDC | Graphics.Win32.GDI.Types, Graphics.Win32.GDI, Graphics.Win32 |
| oBJ_METADC | Graphics.Win32.GDI.Types, Graphics.Win32.GDI, Graphics.Win32 |
| oBJ_METAFILE | Graphics.Win32.GDI.Types, Graphics.Win32.GDI, Graphics.Win32 |
| oBJ_PAL | Graphics.Win32.GDI.Types, Graphics.Win32.GDI, Graphics.Win32 |
| oBJ_PEN | Graphics.Win32.GDI.Types, Graphics.Win32.GDI, Graphics.Win32 |
| oBJ_REGION | Graphics.Win32.GDI.Types, Graphics.Win32.GDI, Graphics.Win32 |
| oEM_CHARSET | Graphics.Win32.GDI.Font, Graphics.Win32.GDI, Graphics.Win32 |
| oEM_FIXED_FONT | Graphics.Win32.GDI.Font, Graphics.Win32.GDI, Graphics.Win32 |
| offsetRgn | Graphics.Win32.GDI.Region, Graphics.Win32.GDI, Graphics.Win32 |
| oldExtensions | Distribution.PackageDescription |
| OldFact | |
| 1 (Data Constructor) | Compiler.Hoopl.Internals, Compiler.Hoopl |
| 2 (Type/Class) | Compiler.Hoopl.Internals, Compiler.Hoopl |
| OldPackageKey | Distribution.Package, Distribution.Make, Distribution.Simple |
| olist | Text.XHtml.Strict, Text.XHtml.Frameset, Text.XHtml.Transitional, Text.XHtml |
| olive | Text.XHtml.Transitional, Text.XHtml |
| OneLineMode | Text.PrettyPrint.HughesPJ, Text.PrettyPrint.HughesPJClass, Text.PrettyPrint |
| oPAQUE | Graphics.Win32.GDI.Types, Graphics.Win32.GDI, Graphics.Win32 |
| Open | Compiler.Hoopl.Internals, Compiler.Hoopl |
| OpenBSD | Distribution.System |
| openClipboard | Graphics.Win32.GDI.Clip, Graphics.Win32.GDI, Graphics.Win32 |
| openFileMapping | System.Win32.FileMapping, System.Win32 |
| OpenHandle | System.Process.Internals |
| openProcess | System.Win32.Process, System.Win32 |
| oPEN_ALWAYS | System.Win32.File, System.Win32 |
| oPEN_EXISTING | System.Win32.File, System.Win32 |
| OptArg | Distribution.Simple.Command |
| optArg | Distribution.Simple.Command |
| optArg' | Distribution.Simple.Command |
| OptDescr | Distribution.Simple.Command |
| OptFlags | Distribution.Simple.Command |
| optgroup | Text.XHtml.Strict, Text.XHtml.Frameset, Text.XHtml.Transitional, Text.XHtml |
| OptimisationLevel | Distribution.Simple.Compiler, Distribution.Simple |
| option | |
| 1 (Function) | Distribution.Simple.Command |
| 2 (Function) | Distribution.Compat.ReadP |
| 3 (Function) | Text.XHtml.Strict, Text.XHtml.Frameset, Text.XHtml.Transitional, Text.XHtml |
| optional | Distribution.Compat.ReadP |
| OptionBool | Distribution.TestSuite |
| optionDefault | Distribution.TestSuite |
| OptionDescr | |
| 1 (Data Constructor) | Distribution.TestSuite |
| 2 (Type/Class) | Distribution.TestSuite |
| optionDescr | Distribution.Simple.Command |
| optionDescription | Distribution.TestSuite |
| OptionEnum | Distribution.TestSuite |
| OptionField | |
| 1 (Data Constructor) | Distribution.Simple.Command |
| 2 (Type/Class) | Distribution.Simple.Command |
| OptionFile | Distribution.TestSuite |
| optionFileExtensions | Distribution.TestSuite |
| optionFileIsDir | Distribution.TestSuite |
| optionFileMustExist | Distribution.TestSuite |
| optionName | |
| 1 (Function) | Distribution.Simple.Command |
| 2 (Function) | Distribution.TestSuite |
| OptionNumber | Distribution.TestSuite |
| optionNumberBounds | Distribution.TestSuite |
| optionNumberIsInt | Distribution.TestSuite |
| optionNumJobs | Distribution.Simple.Setup |
| OptionRngSeed | Distribution.TestSuite |
| Options | Distribution.TestSuite |
| options | |
| 1 (Function) | Distribution.PackageDescription |
| 2 (Function) | Distribution.TestSuite |
| OptionSet | Distribution.TestSuite |
| OptionString | Distribution.TestSuite |
| optionStringMultiline | Distribution.TestSuite |
| OptionType | Distribution.TestSuite |
| optionType | Distribution.TestSuite |
| optionVerbosity | Distribution.Simple.Setup |
| optKeepTempFiles | Distribution.Simple.Utils |
| Ord1 | Data.Functor.Classes |
| ordList | Text.XHtml.Strict, Text.XHtml.Frameset, Text.XHtml.Transitional, Text.XHtml |
| ordNub | Distribution.Simple.Utils |
| ordNubRight | Distribution.Simple.Utils |
| orEarlierVersion | Distribution.Version, Distribution.Simple |
| OriginalModule | |
| 1 (Data Constructor) | Distribution.InstalledPackageInfo |
| 2 (Type/Class) | Distribution.InstalledPackageInfo |
| originalModuleName | Distribution.InstalledPackageInfo |
| originalPackageId | Distribution.InstalledPackageInfo |
| orLaterVersion | Distribution.Version, Distribution.Simple |
| orthodoxEaster | Data.Time.Calendar.Easter |
| orthodoxPaschalMoon | Data.Time.Calendar.Easter |
| OS | |
| 1 (Data Constructor) | Distribution.PackageDescription |
| 2 (Type/Class) | Distribution.System |
| OSVar | Distribution.Simple.InstallDirs, Distribution.Simple.LocalBuildInfo |
| OSX | Distribution.System |
| Other | Control.Applicative.Lift |
| OtherArch | Distribution.System |
| OtherCompiler | Distribution.Compiler, Distribution.Simple.Compiler, Distribution.Simple |
| otherExtensions | Distribution.PackageDescription |
| otherLanguages | Distribution.PackageDescription |
| OtherLicense | Distribution.License, Distribution.Make, Distribution.Simple |
| otherModules | Distribution.PackageDescription |
| OtherOS | Distribution.System |
| OtherRepoType | Distribution.PackageDescription |
| outdegree | Data.Graph |
| OutPrecision | Graphics.Win32.GDI.Font, Graphics.Win32.GDI, Graphics.Win32 |
| outputDebugString | System.Win32.DebugApi |
| outputStr | System.Console.Haskeline |
| outputStrLn | System.Console.Haskeline |
| oUT_CHARACTER_PRECIS | Graphics.Win32.GDI.Font, Graphics.Win32.GDI, Graphics.Win32 |
| oUT_DEFAULT_PRECIS | Graphics.Win32.GDI.Font, Graphics.Win32.GDI, Graphics.Win32 |
| oUT_DEVICE_PRECIS | Graphics.Win32.GDI.Font, Graphics.Win32.GDI, Graphics.Win32 |
| oUT_RASTER_PRECIS | Graphics.Win32.GDI.Font, Graphics.Win32.GDI, Graphics.Win32 |
| oUT_STRING_PRECIS | Graphics.Win32.GDI.Font, Graphics.Win32.GDI, Graphics.Win32 |
| oUT_STROKE_PRECIS | Graphics.Win32.GDI.Font, Graphics.Win32.GDI, Graphics.Win32 |
| oUT_TT_ONLY_PRECIS | Graphics.Win32.GDI.Font, Graphics.Win32.GDI, Graphics.Win32 |
| oUT_TT_PRECIS | Graphics.Win32.GDI.Font, Graphics.Win32.GDI, Graphics.Win32 |
| OverlappingInstances | Language.Haskell.Extension, Distribution.Simple |
| OverloadedLists | Language.Haskell.Extension, Distribution.Simple |
| OverloadedStrings | Language.Haskell.Extension, Distribution.Simple |
| overNubList | Distribution.Utils.NubList |
| overNubListR | Distribution.Utils.NubList |
| oWNER_SECURITY_INFORMATION | System.Win32.Security, System.Win32 |