(C++) BoostShared_ptrExample2

boost::shared_ptr example 2 is a boost::shared_ptr example.

Technical facts

Operating system(s) or programming environment(s)

Lubuntu 15.04 (vivid)

IDE(s):

Qt Creator 3.1.1

Project type:

Console application

C++ standard:

C++98

Compiler(s):

G++ 4.9.2

Libraries used:

STL: GNU ISO C++ Library, version 4.9.2

Qt project file: ./CppBoostShared_ptrExample2/CppBoostShared_ptrExample2.pro


include(../../ConsoleApplication.pri) #Or uncomment the code below

# QT += core

# QT += gui

# CONFIG   += console

# CONFIG   -= app_bundle

# TEMPLATE = app

# CONFIG(release, debug|release) {

#   DEFINES += NDEBUG NTRACE_BILDERBIKKEL

# }

#

# QMAKE_CXXFLAGS += -std=c++11 -Wall -Wextra -Weffc++

#

# unix {

#   QMAKE_CXXFLAGS += -Werror

# }



include(../../Libraries/Boost.pri) #Or uncomment the code below



# win32 {

#   INCLUDEPATH += \

#     ../../Libraries/boost_1_54_0

# }



SOURCES += main.cpp

./CppBoostShared_ptrExample2/main.cpp


#pragma GCC diagnostic push

#pragma GCC diagnostic ignored "-Weffc++"

#pragma GCC diagnostic ignored "-Wunused-local-typedefs"

#include <boost/make_shared.hpp>

#include <boost/shared_ptr.hpp>

#pragma GCC diagnostic pop



struct MyClass

{

  MyClass(const int x) : m_x{x} {}

  int m_x;

};



bool operator==(const MyClass& lhs, const MyClass& rhs)

{

  return lhs.m_x == rhs.m_x;

}



int main()

{

  const boost::shared_ptr<MyClass> p

    = boost::make_shared<MyClass>(42);

  const boost::shared_ptr<MyClass> q(p);

  assert( p ==  q);

  assert(*p == *q);

  p->m_x = 69;

  assert( p ==  q);

  assert(*p == *q);

  q->m_x = 123;

  assert( p ==  q);

  assert(*p == *q);

}

Go back to Richel Bilderbeek's C++ page.

Go back to Richel Bilderbeek's homepage.

This page has been created by the tool CodeToHtml