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  1. #include <iostream>
  2. #include <string>
  3. #include <deque>
  4. #include <utility>
  5.  
  6. int main() {
  7.     std::deque<std::string> container {"foo"};
  8.     auto elementB = container.front(); //B I assume this is unsafe
  9.     auto elementA = std::move(container.front());//A I assume this is safe
  10.     container.pop_front();
  11.  
  12.     std::cout << "A: " << elementA << " B: " << elementB  << "\n";
  13. }
Success #stdin #stdout 0s 15240KB
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stdin
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Standard input is empty
stdout
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A: foo B: foo
https://ideone.com/wKKbdK
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
public

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