| JavaScript | |
| 1 (Data Constructor) | Distribution.System |
| 2 (Data Constructor) | Language.Haskell.TH.Syntax, Language.Haskell.TH |
| javaScript | Language.Haskell.TH.Lib, Language.Haskell.TH |
| JavaScriptFFI | Language.Haskell.Extension, Distribution.Simple |
| JHC | Distribution.Compiler, Distribution.Simple.Compiler, Distribution.Simple |
| jhcProgram | Distribution.Simple.Program.Builtin, Distribution.Simple.Program |
| Jn# | GHC.Integer.GMP.Internals |
| join | Control.Monad |
| joinDrive | |
| 1 (Function) | System.FilePath.Posix, System.FilePath |
| 2 (Function) | System.FilePath.Windows |
| joinFacts | Compiler.Hoopl |
| JoinFun | Compiler.Hoopl.Internals, Compiler.Hoopl |
| joinMaps | Compiler.Hoopl |
| joinOutFacts | Compiler.Hoopl |
| joinPath | |
| 1 (Function) | System.FilePath.Posix, System.FilePath |
| 2 (Function) | System.FilePath.Windows |
| joinProcessGroup | System.Posix.Process.ByteString, System.Posix.Process, System.Posix.ByteString, System.Posix |
| Jp# | GHC.Integer.GMP.Internals |
| jsSources | Distribution.PackageDescription |
| julianMonthLength | Data.Time.Calendar.Julian |
| Just | Data.Maybe, Prelude |
| JustC | Compiler.Hoopl.Internals, Compiler.Hoopl |
| justName | Language.Haskell.TH.Syntax |
| JustO | Compiler.Hoopl.Internals, Compiler.Hoopl |