In steps 1 to 5, we added a blank solution. This is the base of the coding we are adding in this recipe and the next. After that, we added a .NET Standard 2.0 library in steps 7 to 11. In steps 12 and 13, we renamed the default class generated by the template. You can always delete this default class template and add a new class to the project with the new name.
In step 15, we added code to the Helper class. In the first line, we created a function that takes a number as an integer and returns an integer as the output. Before the output, we added 1 to the input. Func<> is used to create the function. The first int is taken as the input and the last one as the output. You can add many parameters to this, but the last one is ...
