How To Install ghc-async on CentOS 7
Introduction
In this tutorial we learn how to install ghc-async on CentOS 7.
What is ghc-async
This package provides a higher-level interface over threads, in which an “Async a” is a concurrent thread that will eventually deliver a value of type “a”. The package provides ways to create “Async” computations, wait for their results, and cancel them. Using Async is safer than using threads in two ways * When waiting for a thread to return a result, if the thread dies with an exception then the caller must either re-throw the exception (‘wait’) or handle it (‘waitCatch’); the exception cannot be ignored. * The API makes it possible to build a tree of threads that are automatically killed when their parent dies (see ‘withAsync’).
We can use yum or dnf to install ghc-async on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install ghc-async.
Install ghc-async 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-async using yum by running the following command:
sudo yum -y install ghc-async
Install ghc-async 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-async using dnf by running the following command:
sudo dnf -y install ghc-async
How To Uninstall ghc-async on CentOS 7
To uninstall only the ghc-async package we can use the following command:
sudo dnf remove ghc-async
References
Summary
In this tutorial we learn how to install ghc-async on CentOS 7 using yum and dnf.
