size()

template<typename _Tp, typename _Alloc = std::allocator<_Tp>>

size_type std::deque< _Tp, _Alloc >::size ( ) const

inlinenodiscardnoexcept

Returns the number of elements in the deque.

Definition at line 1330 of file stl_deque.h.

      {
      size_type __sz = this->_M_impl._M_finish - this->_M_impl._M_start;
      if (__sz > max_size ())
        __builtin_unreachable();
      return __sz;
      }

Referenced by _M_emplace_aux(), _M_erase(), _M_erase(), _M_insert_aux(), _M_insert_aux(), _M_new_elements_at_back(), _M_new_elements_at_front(), _M_push_back_aux(), _M_push_front_aux(), std::operator<=>(), and operator=().

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