C# 7 is a fantastic version of the language. In this chapter, we had a look at out variables. You will remember that with C# 7 we now have the ability to declare the variable right at the point it is passed as an out argument. We then looked at tuples, which provide an elegant way to return multiple values from a method.
Moving, on we looked at expression-bodied properties, which is a more succinct way to write your code. Then, we discussed local functions (one of my favorite features) and its ability to create a helper function inside another function. This makes sense if the function that uses the local function is the only code that uses it.
Pattern matching was up next and are syntactic elements that look to see if a specific ...
