In this chapter, we’ll look at how method parameters and arguments relate to reference and value types. We’ll revisit the idea that all variables have a value, regardless of their type, and see how to pass values of different types by value or by reference as arguments for methods.
We’ll explore the following:
How reference and by reference differ in meaning
Why aliasing and mutability are so closely related
How avoiding side effects can make our code clearer
When to pass values by reference as an optimization
Passing method parameters by value or by reference isn’t the same as those parameters being value ...
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