hsdev-0.3.1.3: Haskell development library

Index - _

_1HsDev.Tools.Ghc.Prelude
_1'HsDev.Tools.Ghc.Prelude
_10HsDev.Tools.Ghc.Prelude
_10'HsDev.Tools.Ghc.Prelude
_11HsDev.Tools.Ghc.Prelude
_11'HsDev.Tools.Ghc.Prelude
_12HsDev.Tools.Ghc.Prelude
_12'HsDev.Tools.Ghc.Prelude
_13HsDev.Tools.Ghc.Prelude
_13'HsDev.Tools.Ghc.Prelude
_14HsDev.Tools.Ghc.Prelude
_14'HsDev.Tools.Ghc.Prelude
_15HsDev.Tools.Ghc.Prelude
_15'HsDev.Tools.Ghc.Prelude
_16HsDev.Tools.Ghc.Prelude
_16'HsDev.Tools.Ghc.Prelude
_17HsDev.Tools.Ghc.Prelude
_17'HsDev.Tools.Ghc.Prelude
_18HsDev.Tools.Ghc.Prelude
_18'HsDev.Tools.Ghc.Prelude
_19HsDev.Tools.Ghc.Prelude
_19'HsDev.Tools.Ghc.Prelude
_2HsDev.Tools.Ghc.Prelude
_2'HsDev.Tools.Ghc.Prelude
_3HsDev.Tools.Ghc.Prelude
_3'HsDev.Tools.Ghc.Prelude
_4HsDev.Tools.Ghc.Prelude
_4'HsDev.Tools.Ghc.Prelude
_5HsDev.Tools.Ghc.Prelude
_5'HsDev.Tools.Ghc.Prelude
_6HsDev.Tools.Ghc.Prelude
_6'HsDev.Tools.Ghc.Prelude
_7HsDev.Tools.Ghc.Prelude
_7'HsDev.Tools.Ghc.Prelude
_8HsDev.Tools.Ghc.Prelude
_8'HsDev.Tools.Ghc.Prelude
_9HsDev.Tools.Ghc.Prelude
_9'HsDev.Tools.Ghc.Prelude
_analyzeEnvHsDev.Inspect, HsDev
_analyzeFixitiesHsDev.Inspect, HsDev
_analyzeRefineHsDev.Inspect, HsDev
_ConsHsDev.Tools.Ghc.Prelude
_depsMapData.Deps
_EmptyHsDev.Tools.Ghc.Prelude
_entityHsDev.Project.Types, HsDev.Project, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_eventPathSystem.Directory.Watcher, HsDev.Watcher, HsDev.Database.Update
_eventTimeSystem.Directory.Watcher, HsDev.Watcher, HsDev.Database.Update
_eventTypeSystem.Directory.Watcher, HsDev.Watcher, HsDev.Database.Update
_executableBuildInfoHsDev.Project.Types, HsDev.Project, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_executableNameHsDev.Project.Types, HsDev.Project, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_executablePathHsDev.Project.Types, HsDev.Project, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_extensionsHsDev.Project.Types, HsDev.Project, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_familyAssociateHsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_functionTypeHsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_ghcOptionsHsDev.Project.Types, HsDev.Project, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_GWrapped'HsDev.Tools.Ghc.Prelude
_headHsDev.Tools.Ghc.Prelude
_importAsHsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_importedFromHsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_importedSymbolHsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_importNameHsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_importPositionHsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_importQualifiedHsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_infoDependsHsDev.Project.Types, HsDev.Project, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_infoExtensionsHsDev.Project.Types, HsDev.Project, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_infoGHCOptionsHsDev.Project.Types, HsDev.Project, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_infoLanguageHsDev.Project.Types, HsDev.Project, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_infoOtherModulesHsDev.Project.Types, HsDev.Project, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_infoSourceDirsHsDev.Project.Types, HsDev.Project, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_initHsDev.Tools.Ghc.Prelude
_inspectedKeyHsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_inspectionHsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_inspectionAtHsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_inspectionOptsHsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_inspectionResultHsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_inspectionTagsHsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_installedModuleExposedHsDev.Symbols.Location, HsDev.Symbols.Class, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_installedModuleNameHsDev.Symbols.Location, HsDev.Symbols.Class, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_JustHsDev.Tools.Ghc.Prelude
_lastHsDev.Tools.Ghc.Prelude
_LeftHsDev.Tools.Ghc.Prelude
_libraryBuildInfoHsDev.Project.Types, HsDev.Project, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_libraryModulesHsDev.Project.Types, HsDev.Project, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_locationModuleHsDev.Symbols.Location, HsDev.Symbols.Class, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_locationPositionHsDev.Symbols.Location, HsDev.Symbols.Class, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_message 
1 (Function)HsDev.Server.Message, HsDev.Server.Base, HsDev
2 (Function)HsDev.Tools.Types, HsDev.Tools.Base, HsDev.Tools.AutoFix, HsDev.Tools.Ghc.Check
_messageIdHsDev.Server.Message, HsDev.Server.Base, HsDev
_messageSuggestionHsDev.Tools.Types, HsDev.Tools.Base, HsDev.Tools.AutoFix, HsDev.Tools.Ghc.Check
_moduleDocsHsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_moduleExportsHsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_moduleFileHsDev.Symbols.Location, HsDev.Symbols.Class, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_moduleFixitiesHsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_moduleIdHsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_moduleImportsHsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_moduleInstallDirsHsDev.Symbols.Location, HsDev.Symbols.Class, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_moduleLocationHsDev.Symbols.Location, HsDev.Symbols.Class, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_moduleNameHsDev.Symbols.Location, HsDev.Symbols.Class, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_modulePackageHsDev.Symbols.Location, HsDev.Symbols.Class, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_moduleProjectHsDev.Symbols.Location, HsDev.Symbols.Class, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_moduleScopeHsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_moduleSourceHsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_noteHsDev.Tools.Types, HsDev.Tools.Base, HsDev.Tools.AutoFix, HsDev.Tools.Ghc.Check
_noteLevelHsDev.Tools.Types, HsDev.Tools.Base, HsDev.Tools.AutoFix, HsDev.Tools.Ghc.Check
_noteRegionHsDev.Tools.Types, HsDev.Tools.Base, HsDev.Tools.AutoFix, HsDev.Tools.Ghc.Check
_noteSourceHsDev.Tools.Types, HsDev.Tools.Base, HsDev.Tools.AutoFix, HsDev.Tools.Ghc.Check
_NothingHsDev.Tools.Ghc.Prelude
_otherLocationNameHsDev.Symbols.Location, HsDev.Symbols.Class, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_packageHsDev.Symbols.Location, HsDev.Symbols.Class, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_packageDbHsDev.PackageDb.Types, HsDev.Symbols.Location, HsDev.Symbols.Class, HsDev.Symbols.Types, HsDev.Symbols, HsDev.PackageDb, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_packageDbStackHsDev.PackageDb.Types, HsDev.Symbols.Location, HsDev.Symbols.Class, HsDev.Symbols.Types, HsDev.Symbols, HsDev.PackageDb, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_packageExposedHsDev.Symbols.Location, HsDev.Symbols.Class, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_packageModulesHsDev.Symbols.Location, HsDev.Symbols.Class, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_packageNameHsDev.Symbols.Location, HsDev.Symbols.Class, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_packageVersionHsDev.Symbols.Location, HsDev.Symbols.Class, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_parentClassHsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_parentTypeHsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_patternConstructorHsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_patternTypeHsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_pointColumnHsDev.Tools.AutoFix
_pointLineHsDev.Tools.AutoFix
_positionColumnHsDev.Symbols.Location, HsDev.Symbols.Class, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_positionLineHsDev.Symbols.Location, HsDev.Symbols.Class, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_preloadedHsDev.Inspect.Types, HsDev.Inspect, HsDev
_preloadedIdHsDev.Inspect.Types, HsDev.Inspect, HsDev
_preloadedModeHsDev.Inspect.Types, HsDev.Inspect, HsDev
_preloadedModuleHsDev.Inspect.Types, HsDev.Inspect, HsDev
_projectCabalHsDev.Project.Types, HsDev.Project, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_projectDescriptionHsDev.Project.Types, HsDev.Project, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_projectExecutablesHsDev.Project.Types, HsDev.Project, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_projectLibraryHsDev.Project.Types, HsDev.Project, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_projectNameHsDev.Project.Types, HsDev.Project, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_projectPackageDbStackHsDev.Project.Types, HsDev.Project, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_projectPathHsDev.Project.Types, HsDev.Project, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_projectTestsHsDev.Project.Types, HsDev.Project, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_projectVersionHsDev.Project.Types, HsDev.Project, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_refactActionHsDev.Tools.Refact, HsDev.Tools.AutoFix
_refactMessageHsDev.Tools.Refact, HsDev.Tools.AutoFix
_regionFromHsDev.Symbols.Location, HsDev.Symbols.Class, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_regionToHsDev.Symbols.Location, HsDev.Symbols.Class, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_replaceRegionHsDev.Tools.AutoFix
_replacesHsDev.Tools.AutoFix
_replaceWithHsDev.Tools.AutoFix
_resolvedDefsHsDev.Inspect.Types, HsDev.Inspect, HsDev
_resolvedExportsHsDev.Inspect.Types, HsDev.Inspect, HsDev
_resolvedFixitiesHsDev.Inspect.Types, HsDev.Inspect, HsDev
_resolvedImportsHsDev.Inspect.Types, HsDev.Inspect, HsDev
_resolvedModuleHsDev.Inspect.Types, HsDev.Inspect, HsDev
_resolvedScopeHsDev.Inspect.Types, HsDev.Inspect, HsDev
_resolvedSourceHsDev.Inspect.Types, HsDev.Inspect, HsDev
_RightHsDev.Tools.Ghc.Prelude
_sandboxHsDev.Sandbox
_sandboxTypeHsDev.Sandbox
_scopedHsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_scopeQualifierHsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_selectorConstructorsHsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_sessionActiveHsDev.Tools.Ghc.MGhc, HsDev.Tools.Ghc.Worker, HsDev.Tools.Ghc.Session
_sessionDataHsDev.Tools.Ghc.MGhc, HsDev.Tools.Ghc.Worker, HsDev.Tools.Ghc.Session
_sessionKeyHsDev.Tools.Ghc.MGhc, HsDev.Tools.Ghc.Worker, HsDev.Tools.Ghc.Session
_sessionMapHsDev.Tools.Ghc.MGhc, HsDev.Tools.Ghc.Worker, HsDev.Tools.Ghc.Session
_ShowHsDev.Tools.Ghc.Prelude
_SnocHsDev.Tools.Ghc.Prelude
_stackConfigHsDev.Stack
_stackGhcHsDev.Stack
_stackLocalHsDev.Stack
_stackProjectHsDev.Stack
_stackRootHsDev.Stack
_stackSnapshotHsDev.Stack
_symbolDocsHsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_symbolIdHsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_symbolInfoHsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_symbolModuleHsDev.Symbols.Location, HsDev.Symbols.Class, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_symbolNameHsDev.Symbols.Location, HsDev.Symbols.Class, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_symbolPositionHsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_symbolUsedHsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_symbolUsedInHsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_symbolUsedQualifierHsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_symbolUsedRegionHsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_tailHsDev.Tools.Ghc.Prelude
_targetBuildInfoHsDev.Project.Types, HsDev.Project, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_targetInfoMainHsDev.Project.Types, HsDev.Project, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_targetInfoModulesHsDev.Project.Types, HsDev.Project, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_targetInfoNameHsDev.Project.Types, HsDev.Project, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_taskNameHsDev.Database.Update.Types, HsDev.Database.Update
_taskProgressHsDev.Database.Update.Types, HsDev.Database.Update
_taskStatusHsDev.Database.Update.Types, HsDev.Database.Update
_taskSubjectNameHsDev.Database.Update.Types, HsDev.Database.Update
_taskSubjectTypeHsDev.Database.Update.Types, HsDev.Database.Update
_testBuildInfoHsDev.Project.Types, HsDev.Project, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_testEnabledHsDev.Project.Types, HsDev.Project, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_testMainHsDev.Project.Types, HsDev.Project, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_testNameHsDev.Project.Types, HsDev.Project, HsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_typeArgsHsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_typeContextHsDev.Symbols.Types, HsDev.Symbols, HsDev.Tools.Ghc.Check, HsDev.Scan, HsDev
_typedExprHsDev.Tools.Ghc.Types
_typedTypeHsDev.Tools.Ghc.Types
_UnwrappedHsDev.Tools.Ghc.Prelude
_Unwrapped'HsDev.Tools.Ghc.Prelude
_UnwrappingHsDev.Tools.Ghc.Prelude
_Unwrapping'HsDev.Tools.Ghc.Prelude
_updateDocsHsDev.Database.Update.Types, HsDev.Database.Update
_updateGhcOptsHsDev.Database.Update.Types, HsDev.Database.Update
_updateInferHsDev.Database.Update.Types, HsDev.Database.Update
_updateOptionsHsDev.Database.Update.Types, HsDev.Database.Update
_updateTasksHsDev.Database.Update.Types, HsDev.Database.Update
_updateWorkerHsDev.Database.Update.Types, HsDev.Database.Update
_VoidHsDev.Tools.Ghc.Prelude
_WrappedHsDev.Tools.Ghc.Prelude
_Wrapped'HsDev.Tools.Ghc.Prelude
_WrappingHsDev.Tools.Ghc.Prelude
_Wrapping'HsDev.Tools.Ghc.Prelude