Is “pass by reference” bad design? [closed]

Object-oriented programming is done best if you structure your code into clean, understandable abstractions. Numbers, as an abstraction, are immutable and have no identity (i.e. a “five” is always a “five” and there is no such thing as “multiple instances of five”). What you’re trying to invent is a “mutable number” which is mutable and … Read more

What is “pass-by-name” and how does it work exactly?

I found a good explanation at Pass-By-Name Parameter Passing. Essentially, the body of a function is interpreted at call time after textually substituting the actual parameters into the function body. In this sense the evaluation method is similar to that of C preprocessor macros. By substituting the actual parameters into the function body, the function … Read more

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