《C++.Primer.Plus.第五版.中文版》的源代码

				// inline.cpp -- use an inline function
				#include 
				
				// an inline function definition
				inline double square(double x) { return x * x; }
				
				int main()
				{
				    using namespace std;
				    double a, b;
				    double c = 13.0;
				
				    a = square(5.0);
				    b = square(4.5 + 7.5);   // can pass expressions
				    cout 				    cout 				    cout 				    cout 				    return 0;  
				}