c-resources/CPlusPlus20ForProgrammers-m.../examples/ch09/fig09_13-15/CreateAndDestroy.cpp

36 lines
1.8 KiB
C++

// Fig. 9.14: CreateAndDestroy.cpp
// CreateAndDestroy class member-function definitions.
#include <fmt/format.h>
#include <iostream>
#include "CreateAndDestroy.h"// include CreateAndDestroy class definition
// constructor sets object's ID number and descriptive message
CreateAndDestroy::CreateAndDestroy(int ID, std::string_view message)
: m_ID{ID}, m_message{message} {
std::cout << fmt::format("Object {} constructor runs {}\n",
m_ID, m_message);
}
// destructor
CreateAndDestroy::~CreateAndDestroy() {
// output newline for certain objects; helps readability
std::cout << fmt::format("{}Object {} destructor runs {}\n",
(m_ID == 1 || m_ID == 6 ? "\n" : ""), m_ID, m_message);
}
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