enum.cpp

Think in C++ 第二版源码

//: C03:Enum.cpp
// From Thinking in C++, 2nd Edition
// Available at http://www.BruceEckel.com
// (c) Bruce Eckel 1999
// Copyright notice in Copyright.txt
// Keeping track of shapes.

enum ShapeType {
  circle,
  square,
  rectangle
};  // Must end with a semicolon like a struct

int main() {
  ShapeType shape = circle;
  // Activities here....
  // Now do something based on what the shape is:
  switch(shape) {
    case circle:  /* circle stuff */ break;
    case square:  /* square stuff */ break;
    case rectangle:  /* rectangle stuff */ break;
  }
} ///:~