Creating a .NET Standard 2.0 library that uses tuples

In this recipe, we will be using C# tuples with our library. Tuples allow you to combine the assignment of multiple variables of varying types in a single statement. For example, you can do this in a single line of code:

(string firstName, string lastName, int yearsOfExperience) = ("Fiqri", "Ismail", 15);

Let's have a look at using tuples in a .NET Standard 2.0 library.

Getting ready

Let's launch Visual Studio 2017 and make sure it's updated to the latest version. We will require C# 7.0 to complete this recipe.

How to do it...

1. Open Visual Studio 2017.
2. Click File | New | Project to create a project. 

3. In the New Project dialog box, expand the Other Project Types node in the left-hand pane and select Visual Studio Solutions. In the right-hand pane, select Blank Solution.

4. In the Name: textbox, type Chapter4.Tuples and, in the Location: textbox, select a path from the drop-down box or click on the Browse... button to locate a path:

5. Click OK.
6. Now, your...