This is part 4 in a series of articles.

In this series we’ve already covered switch expressions and one little-known feature is the ability to nest switch expressions.

Suppose we have the following 3 classes:

?

(Notice that none of the preceding classes are linked by inheritance.)

Suppose we wanted to run a gift card promotional mailing depending on what accounts customers had. We can use pattern matching on the type of object in a switch expression:

#icymi #c# #c# 8