> For the complete documentation index, see [llms.txt](https://www.selinux.tech/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://www.selinux.tech/scala/function-operation/f.md).

# F

- [fill](https://www.selinux.tech/scala/function-operation/f/fill.md)
- [filter](https://www.selinux.tech/scala/function-operation/f/filter.md)
- [filterKeys](https://www.selinux.tech/scala/function-operation/f/filterkeys.md)
- [filterNot](https://www.selinux.tech/scala/function-operation/f/filternot.md)
- [find](https://www.selinux.tech/scala/function-operation/f/find.md)
- [findLast](https://www.selinux.tech/scala/function-operation/f/findlast.md)
- [flatMap](https://www.selinux.tech/scala/function-operation/f/flatmap.md)
- [flatten](https://www.selinux.tech/scala/function-operation/f/flatten.md)
- [fold](https://www.selinux.tech/scala/function-operation/f/fold.md)
- [foldLeft](https://www.selinux.tech/scala/function-operation/f/foldleft.md)
- [foldRight](https://www.selinux.tech/scala/function-operation/f/foldright.md)
- [forall](https://www.selinux.tech/scala/function-operation/f/forall.md)
- [foreach](https://www.selinux.tech/scala/function-operation/f/foreach.md)
- [fromFunction](https://www.selinux.tech/scala/function-operation/f/fromfunction.md)