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#include <iostream>
 
int main()
{
	auto l = [](){ return 5; };
	auto m = l;
	l = m;
	m = l;
	decltype(l) n;
	n = l;
	l = m;
	l = n;
 
	std::cout << l() << std::endl;
	std::cout << m() << std::endl;
	std::cout << n() << std::endl;
 
}
 

prog.cpp: In function ‘int main()’:
prog.cpp:7:6: error: use of deleted function ‘main()::<lambda()>& main()::<lambda()>::operator=(const main()::<lambda()>&)’
  l = m;
      ^
prog.cpp:5:12: note: a lambda closure type has a deleted copy assignment operator
  auto l = [](){ return 5; };
            ^
prog.cpp:8:6: error: use of deleted function ‘main()::<lambda()>& main()::<lambda()>::operator=(const main()::<lambda()>&)’
  m = l;
      ^
prog.cpp:9:14: error: use of deleted function ‘main()::<lambda()>::<lambda>()’
  decltype(l) n;
              ^
prog.cpp:5:12: note: a lambda closure type has a deleted default constructor
  auto l = [](){ return 5; };
            ^
prog.cpp:10:6: error: use of deleted function ‘main()::<lambda()>& main()::<lambda()>::operator=(const main()::<lambda()>&)’
  n = l;
      ^
prog.cpp:11:6: error: use of deleted function ‘main()::<lambda()>& main()::<lambda()>::operator=(const main()::<lambda()>&)’
  l = m;
      ^
prog.cpp:12:6: error: use of deleted function ‘main()::<lambda()>& main()::<lambda()>::operator=(const main()::<lambda()>&)’
  l = n;
      ^

Standard output is empty