EXPLORATION 39

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Classes and Types

One of the main design goals for C++ was to give the programmer the ability to define custom types that look and act nearly identically to the built-in types. The combination of classes and overloaded operators gives you that power. This Exploration takes a closer look at the type system and how your classes can best fit into the C++ world.

Classes vs. typedefs

Suppose you are writing a function to compute body-mass index (BMI) from an integer height in centimeters and an integer weight in kilograms. You have no difficulty writing such a function (which you can copy from your work in Explorations 28 and 34). For ...

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