How To Install ghc-lens on Fedora 36

In this tutorial we learn how to install ghc-lens in Fedora 36. ghc-lens is Lenses, Folds and Traversals

Introduction

In this tutorial we learn how to install ghc-lens on Fedora 36.

What is `ghc-lens`

This package comes “Batteries Included” with many useful lenses for the types commonly used from the Haskell Platform, and with tools for automatically generating lenses and isomorphisms for user-supplied data types. The combinators in ‘Control.Lens’ provide a highly generic toolbox for composing families of getters, folds, isomorphisms, traversals, setters and lenses and their indexed variants. An overview, with a large number of examples can be found in the README at https

We can use yum or dnf to install ghc-lens on Fedora 36. In this tutorial we discuss both methods but you only need to choose one of method to install ghc-lens.

Install ghc-lens on Fedora 36 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

After updating yum database, We can install ghc-lens using dnf by running the following command:

sudo dnf -y install ghc-lens

Install ghc-lens on Fedora 36 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

After updating yum database, We can install ghc-lens using yum by running the following command:

sudo yum -y install ghc-lens

How To Uninstall ghc-lens on Fedora 36

To uninstall only the ghc-lens package we can use the following command:

sudo dnf remove ghc-lens

ghc-lens Package Contents on Fedora 36

/usr/lib/.build-id
/usr/lib/.build-id/62
/usr/lib/.build-id/62/b391ee10dd3fde77e7437b0abfea2ed6fe7768
/usr/lib64/libHSlens-4.19.2-B5JrUApoRtR7aW7ZHMXcv-ghc8.10.5.so
/usr/share/licenses/ghc-lens
/usr/share/licenses/ghc-lens/LICENSE

References

ghc-lens website

Summary

In this tutorial we learn how to install ghc-lens on Fedora 36 using yum and [dnf]((/fedora/36/dnf/).