42#ifdef PB_DS_CLASS_C_DEC 
   45inline typename PB_DS_CLASS_C_DEC::size_type
 
   48{ 
return m_num_used_e; }
 
   55{ 
return (
size() == 0); }
 
   58inline typename PB_DS_CLASS_C_DEC::size_type
 
   61{ 
return s_entry_allocator.max_size(); }
 
constexpr auto size(const _Container &__cont) noexcept(noexcept(__cont.size())) -> decltype(__cont.size())
Return the size of a container.