constval.cpp

来自「thingking in c++（C++编程思想） 各章节课后练习的答案」· C++ 代码 · 共 16 行

//: C08:Constval.cpp
// From Thinking in C++, 2nd Edition
// Available at http://www.BruceEckel.com
// (c) Bruce Eckel 2000
// Copyright notice in Copyright.txt
// Returning consts by value
// has no meaning for built-in types

int f3() { return 1; }
const int f4() { return 1; }

int main() {
  const int j = f3(); // Works fine
  int k = f4(); // But this works fine too!
} ///:~