In many programming situations, objects in programs represent C++ Objects as Physical Objects: things that can be felt or seen. These situations provide vivid examples of the correspondence between the program and the real world. We’ll look at two such situations: widget parts and graphics circles. Widget Parts as Objects The smallobj class in the
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We mentioned that inline function save memory space because all the calls to the function cause the same code to be executed; the function body need not be duplicated in memory. When the compiler sees a function call, it normally generates a jump to the function. At the end of the function it jumps back
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The existence of functions makes possible a programming technique called recursion. Recursion c++ involves a function calling itself. This sounds rather improbable, and indeed a function calling itself is often a bug. However, when used correctly this technique can be surprisingly powerful. Recursion is much easier to understand with an example than with lengthy explanations,
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