| Data | Distribution.Compat.Prelude.Internal | 
| datadir | Distribution.Simple.InstallDirs, Distribution.Simple.LocalBuildInfo | 
| DatadirVar | Distribution.Simple.InstallDirs.Internal, Distribution.Simple.InstallDirs, Distribution.Simple.LocalBuildInfo | 
| DataKinds | Distribution.Simple | 
| datasubdir | Distribution.Simple.InstallDirs, Distribution.Simple.LocalBuildInfo | 
| DatasubdirVar | Distribution.Simple.InstallDirs.Internal, Distribution.Simple.InstallDirs, Distribution.Simple.LocalBuildInfo | 
| DatatypeContexts | Distribution.Simple | 
| dateToSnapshotNumber | Distribution.Simple.SrcDist | 
| Deafening | Distribution.Verbosity.Internal | 
| deafening | Distribution.Verbosity | 
| debug | Distribution.Simple.Utils | 
| DebugInfoLevel | Distribution.Simple.Compiler, Distribution.Simple | 
| debugNoWrap | Distribution.Simple.Utils | 
| decodeFloat | Distribution.Compat.Prelude.Internal | 
| deepseq | Distribution.Compat.Prelude.Internal | 
| defaultBenchmarkFlags | Distribution.Simple.Setup | 
| defaultBuildFlags | Distribution.Simple.Setup | 
| defaultCleanFlags | Distribution.Simple.Setup | 
| defaultCompilerFlavor | Distribution.Simple.Compiler, Distribution.Simple | 
| defaultConfigFlags | Distribution.Simple.Setup | 
| defaultCopyFlags | Distribution.Simple.Setup | 
| defaultDistPref | Distribution.Simple.Setup, Distribution.Simple.BuildPaths | 
| defaultGlobalFlags | Distribution.Simple.Setup | 
| defaultHaddockFlags | Distribution.Simple.Setup | 
| defaultHscolourFlags | Distribution.Simple.Setup | 
| defaultInstallDirs | Distribution.Simple.InstallDirs, Distribution.Simple.LocalBuildInfo | 
| defaultInstallDirs' | Distribution.Simple.InstallDirs, Distribution.Simple.LocalBuildInfo | 
| defaultInstallFlags | Distribution.Simple.Setup | 
| defaultLibName | Distribution.Simple.LocalBuildInfo | 
| defaultMain |  | 
| 1 (Function) | Distribution.Make | 
| 2 (Function) | Distribution.Simple | 
| defaultMainArgs |  | 
| 1 (Function) | Distribution.Make | 
| 2 (Function) | Distribution.Simple | 
| defaultMainNoRead | Distribution.Simple | 
| defaultMainWithHooks | Distribution.Simple | 
| defaultMainWithHooksArgs | Distribution.Simple | 
| defaultMainWithHooksNoRead | Distribution.Simple | 
| defaultMainWithHooksNoReadArgs | Distribution.Simple | 
| defaultPackageDesc | Distribution.Simple.Utils | 
| defaultProgramDb | Distribution.Simple.Program.Db, Distribution.Simple.Program | 
| defaultProgramSearchPath | Distribution.Simple.Program.Find, Distribution.Simple.Program | 
| defaultRegisterFlags | Distribution.Simple.Setup | 
| defaultRegisterOptions | Distribution.Simple.Program.HcPkg, Distribution.Simple.Register | 
| defaultReplFlags | Distribution.Simple.Setup | 
| defaultSDistFlags | Distribution.Simple.Setup | 
| DefaultSignatures | Distribution.Simple | 
| defaultTempFileOptions | Distribution.Simple.Utils | 
| defaultTestFlags | Distribution.Simple.Setup | 
| DefUnitId | Distribution.Make, Distribution.Simple | 
| deletePackageDB | Distribution.Simple.Register | 
| deletePackageName | Distribution.Simple.PackageIndex | 
| deleteSourcePackageId | Distribution.Simple.PackageIndex | 
| deleteUnitId | Distribution.Simple.PackageIndex | 
| Dependency |  | 
| 1 (Type/Class) | Distribution.Make, Distribution.Simple | 
| 2 (Data Constructor) | Distribution.Make, Distribution.Simple | 
| dependencyClosure | Distribution.Simple.PackageIndex | 
| dependencyCycles | Distribution.Simple.PackageIndex | 
| dependencyGraph | Distribution.Simple.PackageIndex | 
| dependencyInconsistencies | Distribution.Simple.PackageIndex | 
| depLibraries | Distribution.Make, Distribution.Simple | 
| depLibraryPaths | Distribution.Simple.LocalBuildInfo | 
| depPkgName | Distribution.Make, Distribution.Simple | 
| deprecatedExtensions | Distribution.Simple | 
| depVerRange | Distribution.Make, Distribution.Simple | 
| DeriveAnyClass | Distribution.Simple | 
| DeriveDataTypeable | Distribution.Simple | 
| DeriveFoldable | Distribution.Simple | 
| DeriveFunctor | Distribution.Simple | 
| DeriveGeneric | Distribution.Simple | 
| DeriveLift | Distribution.Simple | 
| DeriveTraversable | Distribution.Simple | 
| DerivingStrategies | Distribution.Simple | 
| DerivingVia | Distribution.Simple | 
| describe | Distribution.Simple.Program.HcPkg | 
| describeInvocation | Distribution.Simple.Program.HcPkg | 
| Description | Distribution.Simple.Command | 
| desugarBuildTool | Distribution.Simple.BuildToolDepends | 
| die' | Distribution.Simple.Utils | 
| dieNoVerbosity | Distribution.Simple.Utils | 
| dieNoWrap | Distribution.Simple.Utils | 
| dieProgress | Distribution.Utils.LogProgress | 
| dieWithLocation' | Distribution.Simple.Utils | 
| Direct | Distribution.Simple.Setup | 
| DisableExtension | Distribution.Simple | 
| DisambiguateRecordFields | Distribution.Simple | 
| dispComponentsWithDeps | Distribution.Backpack.ComponentsGraph | 
| dispConfiguredComponent | Distribution.Backpack.ConfiguredComponent | 
| displayException | Distribution.Compat.Prelude.Internal | 
| dispLinkedComponent | Distribution.Backpack.LinkedComponent | 
| div | Distribution.Compat.Prelude.Internal | 
| divMod | Distribution.Compat.Prelude.Internal | 
| dllExtension | Distribution.Simple.BuildPaths | 
| DoAndIfThenElse | Distribution.Simple | 
| docdir | Distribution.Simple.InstallDirs, Distribution.Simple.LocalBuildInfo | 
| DocdirVar | Distribution.Simple.InstallDirs.Internal, Distribution.Simple.InstallDirs, Distribution.Simple.LocalBuildInfo | 
| doctestProgram | Distribution.Simple.Program.Builtin, Distribution.Simple.Program | 
| doesDirectoryExist | Distribution.PackageDescription.Check | 
| doesExecutableExist | Distribution.Simple.Utils | 
| doesFileExist | Distribution.PackageDescription.Check | 
| doesPackageDBExist | Distribution.Simple.Register | 
| doesPathExist | Distribution.Compat.Directory | 
| DoRec | Distribution.Simple | 
| Double | Distribution.Compat.Prelude.Internal | 
| drop | Distribution.Compat.Prelude.Internal | 
| dropExeExtension | Distribution.Simple.Utils | 
| dropWhile | Distribution.Compat.Prelude.Internal | 
| dropWhileEnd | Distribution.Compat.Prelude.Internal | 
| dropWhileEndLE | Distribution.Simple.Utils | 
| dump | Distribution.Simple.Program.HcPkg | 
| DumpBuildInfo |  | 
| 1 (Type/Class) | Distribution.Types.DumpBuildInfo, Distribution.Simple.Setup | 
| 2 (Data Constructor) | Distribution.Types.DumpBuildInfo, Distribution.Simple.Setup | 
| dumpInvocation | Distribution.Simple.Program.HcPkg | 
| DuplicateRecordFields | Distribution.Simple | 
| Dyn | Distribution.Simple.Hpc | 
| dynlibdir | Distribution.Simple.InstallDirs, Distribution.Simple.LocalBuildInfo | 
| DynlibdirVar | Distribution.Simple.InstallDirs.Internal, Distribution.Simple.InstallDirs, Distribution.Simple.LocalBuildInfo |