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opEquals()

Explore how to implement the opEquals function in D to control equality comparisons for structs and classes. Understand automatic versus custom behavior, template usage for efficiency, and best practices for consistent operator overloading in advanced D programming.

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opEquals() for equality comparisons

This member function defines the behaviors of the == and the != operators.

The return type of opEquals is bool. For structs, the parameter of opEquals can be defined as in. However, for speed efficiency, opEquals can be defined as a template that takes auto ref const ...