?? ex11_21.cpp
字號:
/* Code for exercise 11.21. | | "C++ Solutions--Companion to The C++ Programming Language, Third Edition" | by David Vandevoorde; Addison-Wesley 1998; ISBN 0-201-30965-3. | | Permission to use, copy, modify, distribute and sell this software | and its documentation for any purpose is hereby granted without fee. | The author makes no representations about the suitability of this | software for any purpose. It is provided "as is" without express or | implied warranty. `----------------------------------------------------------------------*/#include <stdio.h>#include <math.h>struct Index { Index(double p): p_(p) {} Index const& operator*() const { return *this; } double value() const { return p_; }private: double p_;};double mypow(double b, Index p) { return pow(b, p.value());}double operator*(double a, Index const &b) { return mypow(a, b);}int main() { printf("2.3**Index(3.0) = %f\n", 2.3**Index(3.0)); return 0;}
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -