(C++) BoostShared_ptrExample4

boost::shared_ptr example 4 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_ptrExample4/CppBoostShared_ptrExample4.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_ptrExample4/main.cpp


#include <cassert>



#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 NoConstructor

{

  ~NoConstructor() {}

  private:

  NoConstructor() {}



  friend boost::shared_ptr<      NoConstructor> boost::make_shared<      NoConstructor>();

  friend boost::shared_ptr<const NoConstructor> boost::make_shared<const NoConstructor>();

};



struct NoDestructor

{

  NoDestructor() {}

  private:

  ~NoDestructor() {}



  friend class boost::detail::sp_ms_deleter<      NoDestructor>;

  friend class boost::detail::sp_ms_deleter<const NoDestructor>;

};





int main()

{

  {

    const auto p = boost::make_shared<const NoConstructor>();

    assert(p);

  }

  {

    const auto p = boost::make_shared<const NoDestructor>();

    assert(p);

  }

}

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