nothrow.cpp

来自「C++高级编程这本书所附的源代码」· C++ 代码 · 共 20 行

#include <iostream>

using namespace std;

int main(int argc, char** argv)
{
  int* ptr;
  int numInts = 10;

  ptr = new(nothrow) int[numInts];
  if (ptr == NULL) {
    cerr << "Unable to allocate memory!\n";
    // Handle memory allocation failure
    return (0);
  }
  // Proceed with function that assumes memory has been allocated

  return (0);
}