How To Install libexpected-dev on Debian 11

In this tutorial we learn how to install libexpected-dev on Debian 11. libexpected-dev is C++11/14/17 std

Introduction

In this tutorial we learn how to install libexpected-dev on Debian 11.

What is libexpected-dev

libexpected-dev is:

Single header implementation of std::expected with functional-style extensions.

std::expected is proposed as the preferred way to represent object which will either have an expected value, or an unexpected value giving information about why something failed. Unfortunately, chaining together many computations which may fail can be verbose, as error-checking code will be mixed in with the actual programming logic. This implementation provides a number of utilities to make coding with expected cleaner.

There are three methods to install libexpected-dev on Debian 11. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install libexpected-dev Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install libexpected-dev using apt-get by running the following command:

sudo apt-get -y install libexpected-dev

Install libexpected-dev Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install libexpected-dev using apt by running the following command:

sudo apt -y install libexpected-dev

Install libexpected-dev Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Debian. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install libexpected-dev using aptitude by running the following command:

sudo aptitude -y install libexpected-dev

How To Uninstall libexpected-dev on Debian 11

To uninstall only the libexpected-dev package we can use the following command:

sudo apt-get remove libexpected-dev

Uninstall libexpected-dev And Its Dependencies

To uninstall libexpected-dev and its dependencies that are no longer needed by Debian 11, we can use the command below:

sudo apt-get -y autoremove libexpected-dev

Remove libexpected-dev Configurations and Data

To remove libexpected-dev configuration and data from Debian 11 we can use the following command:

sudo apt-get -y purge libexpected-dev

Remove libexpected-dev configuration, data, and all of its dependencies

We can use the following command to remove libexpected-dev configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge libexpected-dev

Dependencies

libexpected-dev have the following dependencies:

References

Summary

In this tutorial we learn how to install libexpected-dev package on Debian 11 using different package management tools: apt, apt-get and aptitude.