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  1. #include <iostream>
  2. #include <vector>
  3.  
  4. #include <boost/assign.hpp>
  5. #include <boost/format.hpp>
  6. #include <boost/current_function.hpp>
  7. #include <boost/ptr_container/ptr_vector.hpp>
  8. #include <boost/ptr_container/ptr_container.hpp>
  9.  
  10. namespace jefuty {
  11. 	struct Hoge {
  12. 		Hoge () :x_(false)
  13. 		{ }
  14. 		bool judge (void) const {
  15. 			std::cout << BOOST_CURRENT_FUNCTION << "("<< x_ <<")" << std::endl;
  16. 			return x_;
  17. 		}
  18. 		void modify (void) {
  19. 			std::cout << BOOST_CURRENT_FUNCTION << "("<< x_ <<")->("<< !x_ << ")" << std::endl;
  20. 			x_=!x_;
  21. 		}
  22. 		~Hoge () {
  23. 			std::cout << BOOST_CURRENT_FUNCTION << "("<< x_ <<")" << std::endl;
  24. 		}
  25. 		friend std::ostream & operator<< (std::ostream & os, Hoge const & h);
  26. 	private:
  27. 		bool x_;
  28. 	};
  29. 	std::ostream & operator<< (std::ostream & os, Hoge const & h) {
  30. 		return os << "Hoge{" << h.x_ << "}";
  31. 	}
  32.  
  33. 	bool singleJudge(Hoge const & h) {
  34. 		std::cout << BOOST_CURRENT_FUNCTION << h << std::endl;
  35. 		return h.judge();
  36. 	}
  37. 	void multiProcM(boost::ptr_vector<Hoge, boost::view_clone_allocator>::iterator b,
  38. 					boost::ptr_vector<Hoge, boost::view_clone_allocator>::iterator e) {
  39. 		std::cout << BOOST_CURRENT_FUNCTION << std::endl;
  40. 		singleJudge(*b); // const refを受け取る関数に転送できる
  41. 		b->judge();
  42. 		b->modify();
  43. 	}
  44. 	void multiProcC(boost::ptr_vector<Hoge, boost::view_clone_allocator>::const_iterator b,
  45. 					boost::ptr_vector<Hoge, boost::view_clone_allocator>::const_iterator e) {
  46. 		std::cout << BOOST_CURRENT_FUNCTION << std::endl;
  47. 		singleJudge(*b);
  48. 		b->judge();
  49. 		//b->modify(); // compilation error :)
  50. 	}
  51. }
  52.  
  53. int main () {
  54. 	using namespace boost::assign;
  55. 	using namespace jefuty;
  56. 	Hoge h[3];
  57. 	{
  58. 		boost::ptr_vector<
  59. 			Hoge,
  60. 			boost::view_clone_allocator        // 所有権持たない系なので
  61. 		> xs(&h[0], &h[3]);
  62. 		multiProcM(xs.begin(), xs.end());
  63. 		multiProcC(xs.begin(), xs.end());
  64. 		std::cout << "block end" << std::endl; // ここでdtorは呼ばれない
  65. 	}
  66. 	std::cout << "program end" << std::endl;
  67. }
  68.  
Success #stdin #stdout 0s 2864KB
comments (?)
stdin 
Standard input is empty
stdout 
void jefuty::multiProcM(boost::void_ptr_iterator<__gnu_cxx::__normal_iterator<void**, std::vector<void*, std::allocator<void*> > >, jefuty::Hoge>, boost::void_ptr_iterator<__gnu_cxx::__normal_iterator<void**, std::vector<void*, std::allocator<void*> > >, jefuty::Hoge>)
bool jefuty::singleJudge(const jefuty::Hoge&)Hoge{0}
bool jefuty::Hoge::judge() const(0)
bool jefuty::Hoge::judge() const(0)
void jefuty::Hoge::modify()(0)->(1)
void jefuty::multiProcC(boost::void_ptr_iterator<__gnu_cxx::__normal_iterator<void* const*, std::vector<void*, std::allocator<void*> > >, const jefuty::Hoge>, boost::void_ptr_iterator<__gnu_cxx::__normal_iterator<void* const*, std::vector<void*, std::allocator<void*> > >, const jefuty::Hoge>)
bool jefuty::singleJudge(const jefuty::Hoge&)Hoge{1}
bool jefuty::Hoge::judge() const(1)
bool jefuty::Hoge::judge() const(1)
block end
program end
jefuty::Hoge::~Hoge()(0)
jefuty::Hoge::~Hoge()(0)
jefuty::Hoge::~Hoge()(1)
https://ideone.com/nSs69
language:
C++ (gcc 8.3)
created:
13 years ago
visibility:
public

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