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19 shared_from_this работает после конвертации из unique_ptr в shared_ptr. · gusenov/examples-cpp@f2e60b6 · GitHub
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shared_from_this работает после конвертации из unique_ptr в shared_ptr.
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‎smart-ptr/shared_ptr/shared-from-this/.gitignore

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# ---------------------------------------------------------------------------
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# https://github.com/github/gitignore/blob/master/CMake.gitignore
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Testing
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CTestTestfile.cmake
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cmake-build-*/
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‎smart-ptr/shared_ptr/shared-from-this/.idea/.gitignore

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‎smart-ptr/shared_ptr/shared-from-this/CMakeLists.txt

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cmake_minimum_required(VERSION 3.14)
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project(SharedFromThis)
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set(CMAKE_CXX_STANDARD 17)
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add_executable(${PROJECT_NAME} main.cc)

‎smart-ptr/shared_ptr/shared-from-this/main.cc

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std::cout << "end;" << std::endl;
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}
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/*
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Clazz()
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end;
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~Clazz()
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end.
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*/
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int main(int argc, char const * argv[]) {
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test1();
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void test2()
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{
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std::shared_ptr<Clazz> a;
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{
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std::shared_ptr<Clazz> b = std::make_unique<Clazz>();
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a = b->shared();
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}
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std::cout << "end;" << std::endl;
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}
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/*
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Clazz()
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end;
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~Clazz()
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end.
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*/
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int main(int argc, char const * argv[])
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{
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test2();
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std::cout << "end." << std::endl;
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return EXIT_SUCCESS;

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