| fail | Language.Embedded.Imperative |
| fakeIO | System.IO.Fake |
| false | Language.Embedded.CExp |
| FClose | Language.Embedded.Imperative.CMD |
| fclose | Language.Embedded.Imperative.Frontend, Language.Embedded.Imperative |
| FEof | Language.Embedded.Imperative.CMD |
| feof | Language.Embedded.Imperative.Frontend, Language.Embedded.Imperative |
| FGet | Language.Embedded.Imperative.CMD |
| fget | Language.Embedded.Imperative.Frontend, Language.Embedded.Imperative |
| FileCMD | Language.Embedded.Imperative.CMD, Language.Embedded.Imperative |
| filterM | Language.Embedded.Imperative |
| finalStms | Language.C.Monad |
| Flags | |
| 1 (Type/Class) | Language.C.Monad |
| 2 (Data Constructor) | Language.C.Monad |
| flags | Language.C.Monad |
| fmap | Language.Embedded.Imperative |
| foldM | Language.Embedded.Imperative |
| foldM_ | Language.Embedded.Imperative |
| FOpen | Language.Embedded.Imperative.CMD |
| fopen | Language.Embedded.Imperative.Frontend, Language.Embedded.Imperative |
| For | Language.Embedded.Imperative.CMD |
| for | Language.Embedded.Imperative.Frontend, Language.Embedded.Imperative |
| forever | Language.Embedded.Imperative |
| fork | Language.Embedded.Concurrent |
| ForkWithId | Language.Embedded.Concurrent.CMD |
| forkWithId | Language.Embedded.Concurrent |
| forM | Language.Embedded.Imperative |
| formatSpecifier | Language.Embedded.Imperative.CMD |
| Formattable | Language.Embedded.Imperative.CMD, Language.Embedded.Imperative.Frontend.General, Language.Embedded.Imperative |
| forM_ | Language.Embedded.Imperative |
| fprf | Language.Embedded.Imperative.Frontend, Language.Embedded.Imperative |
| FPrintf | Language.Embedded.Imperative.CMD |
| fprintf | Language.Embedded.Imperative.Frontend, Language.Embedded.Imperative |
| fput | Language.Embedded.Imperative.Frontend, Language.Embedded.Imperative |
| FreeExp | Language.Embedded.Expression, Language.Embedded.Imperative |
| freezeArr | Language.Embedded.Imperative.Frontend, Language.Embedded.Imperative |
| fresh | Control.Monads |
| freshId | Language.C.Monad |
| freshStr | Control.Monads |
| freshVar | Language.Embedded.Backend.C.Expression, Language.Embedded.Backend.C |
| Fun | Language.Embedded.CExp |
| FunArg | |
| 1 (Type/Class) | Language.Embedded.Imperative.CMD, Language.Embedded.Imperative.Frontend.General, Language.Embedded.Imperative |
| 2 (Data Constructor) | Language.Embedded.Imperative.CMD, Language.Embedded.Imperative.Frontend.General, Language.Embedded.Imperative |
| Functor | Language.Embedded.Imperative |
| funUsedVars | Language.C.Monad |