std::atomic::atomic
From cppreference.com
                    
                                        
                    
                    
                                                            
                    | (since C++11) | ||
| bool is_lock_free() const; | ||
| bool is_lock_free() const volatile; | ||
Checks whether the atomic operations on the object are lock-free.
| Contents | 
[edit] Parameters
(none)
[edit] Return value
true if the atomic operations on the object are lock-free, false otherwise.
[edit] Exceptions
noexcept specification:  
noexcept
  [edit] See also
| (C++11) | checks if the atomic type's operations are lock-free (function template) | 


