arraysize.h

来自「c++设计思想」· C头文件 代码 · 共 14 行

//: :arraySize.h
// From "Thinking in C++, 2nd Edition, Volume 2"
// by Bruce Eckel & Chuck Allison, (c) 2001 MindView, Inc.
// Available at www.BruceEckel.com.
// Uses template type induction to 
// discover the size of an array
#ifndef ARRAYSIZE_H
#define ARRAYSIZE_H

template<typename T, int size>
int asz(T (&)[size]) { return size; }

#endif // ARRAYSIZE_H ///:~