When are structs the answer?

Question

I\'m doing a raytracer hobby project, and originally I was using structs for my Vector and Ray objects, and I thought a raytracer was the perfect situation to use them: you

Answer 1

While the functionality is similar, structures are usually more efficient than classes. You should define a structure, rather than a class, if the type will perform better as a value type than a reference type.

Specifically, structure types should meet all of these criteria:

• Logically represents a single value
• Has an instance size less than 16 bytes
• Will not be changed after creation
• Will not be cast to a reference type