How To Install ghc-STMonadTrans on CentOS 7
Introduction
In this tutorial we learn how to install ghc-STMonadTrans
on CentOS 7.
What is ghc-STMonadTrans
A monad transformer version of the ST monad. This monad transformer should not be used with monads that can contain multiple answers, like the list monad. The reason being that it will be duplicated across the different answers and this causes Bad Things to happen (such as loss of referential transparency). Safe monads include the monads State, Reader, Writer, Maybe and combinations of their corresponding monad transformers.
We can use yum
or dnf
to install ghc-STMonadTrans
on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install ghc-STMonadTrans.
Install ghc-STMonadTrans on CentOS 7 Using yum
Update yum database with yum
using the following command.
sudo yum makecache
After updating yum database, We can install ghc-STMonadTrans
using yum
by running the following command:
sudo yum -y install ghc-STMonadTrans
Install ghc-STMonadTrans on CentOS 7 Using dnf
If you don’t have dnf installed you can install DNF on CentOS 7 first.
Update yum database with dnf
using the following command.
sudo dnf makecache
After updating yum database, We can install ghc-STMonadTrans
using dnf
by running the following command:
sudo dnf -y install ghc-STMonadTrans
How To Uninstall ghc-STMonadTrans on CentOS 7
To uninstall only the ghc-STMonadTrans
package we can use the following command:
sudo dnf remove ghc-STMonadTrans
References
Summary
In this tutorial we learn how to install ghc-STMonadTrans
on CentOS 7 using yum
and dnf
.