Code like a Pro in C#

7 Comparing objects

This chapter covers

• Implementing the GetCustomerByName method
• Viewing methods through the lens of lambda calculus
• Using nullable types
• Using custom exceptions
• Operator overloading and custom equality comparisons

In the previous chapter, we implemented the CustomerRepository where we can add a customer to the database. We also learned how to use dependency injection to write testable code. This is a splendid start, but we are not done yet. We can add a Customer instance to the database, but how about retrieving one? See figure 7.1 for where we are in the scheme of the book.

Figure 7.1 In this chapter, we’ll continue the ...