| F# | Protolude.Base, Protolude |
| False | Protolude |
| FatalError | |
| 1 (Type/Class) | Protolude.Panic, Protolude |
| 2 (Data Constructor) | Protolude.Panic, Protolude |
| fatalErrorMessage | Protolude.Panic, Protolude |
| FilePath | Protolude |
| filter | Protolude |
| filterM | Protolude.Monad, Protolude |
| finally | Protolude |
| find | Protolude |
| FiniteBits | Protolude |
| finiteBitSize | Protolude |
| First | |
| 1 (Data Constructor) | Protolude |
| 2 (Type/Class) | Protolude |
| first | |
| 1 (Function) | Protolude |
| 2 (Function) | Protolude.Bifunctor |
| fix | Protolude |
| Fixity | Protolude |
| FixityI | Protolude |
| fixST | Protolude |
| flip | Protolude |
| Float | Protolude.Base, Protolude |
| floatDigits | Protolude.Base, Protolude |
| Floating | Protolude.Base, Protolude |
| floatRadix | Protolude.Base, Protolude |
| floatRange | Protolude.Base, Protolude |
| floor | Protolude.Base, Protolude |
| fmap | Protolude.Functor, Protolude |
| fmapDefault | Protolude |
| fold | Protolude |
| Foldable | Protolude |
| foldl | Protolude |
| foldl' | Protolude |
| foldl1May | Protolude.Safe, Protolude |
| foldl1May' | Protolude.Safe, Protolude |
| foldlM | Protolude |
| foldM | Protolude.Monad, Protolude |
| foldMap | Protolude |
| foldMapDefault | Protolude |
| foldM_ | Protolude.Monad, Protolude |
| foldr | Protolude |
| foldr' | Protolude |
| foldr1May | Protolude.Safe, Protolude |
| foldrM | Protolude |
| for | Protolude |
| force | Protolude |
| foreach | Protolude.Functor, Protolude |
| forever | Protolude.Monad, Protolude |
| forkFinally | Protolude |
| forkIO | Protolude |
| forkIOWithUnmask | Protolude |
| forkOn | Protolude |
| forkOnWithUnmask | Protolude |
| forkOS | Protolude |
| forkOSWithUnmask | Protolude |
| forM | Protolude |
| forM_ | Protolude |
| for_ | Protolude |
| Fractional | Protolude.Base, Protolude |
| from | Protolude |
| fromEnum | Protolude.Base, Protolude |
| fromException | Protolude |
| fromInteger | Protolude.Base, Protolude |
| fromIntegral | Protolude.Base, Protolude |
| fromLabel | Protolude.Base, Protolude |
| fromLeft | Protolude.Either, Protolude |
| fromMaybe | Protolude |
| fromRational | Protolude.Base, Protolude |
| fromRight | Protolude.Either, Protolude |
| fromStrict | Protolude |
| fst | Protolude |
| functionName | Protolude.Base, Protolude |
| Functor | Protolude.Functor, Protolude |
| FunPtr | Protolude.Base, Protolude |