这里列出了所有文档化的类成员，并附带类所属的文件:

- i -

• id : scoped_thread, thread::id
• index() : variant< Types >
• infinity() : numeric_traits< T, Dummy >, numeric_traits< char >, numeric_traits< char16_t >, numeric_traits< char32_t >, numeric_traits< const T >, numeric_traits< const volatile T >, numeric_traits< volatile T >
• insert_iterator() : insert_iterator< Container >
• invoke_type : invoke_result_true< T, Tag >
• is_always_lock_free : atomic< T >, atomic< bool >, atomic< double >, atomic< float >, atomic< long double >, atomic< T & >, atomic< T * >, atomic_base< T >, atomic_base< T * >, atomic_float_base< Float >, atomic_ref_base< Float, false, true >, atomic_ref_base< T, false, false >, atomic_ref_base< T, true, false >
• is_lock_free() : atomic< T >, atomic< bool >, atomic< char >, atomic< char16_t >, atomic< char32_t >, atomic< double >, atomic< float >, atomic< int >, atomic< long >, atomic< long double >, atomic< long long >, atomic< short >, atomic< signed char >, atomic< T & >, atomic< T * >, atomic< unsigned char >, atomic< unsigned int >, atomic< unsigned long >, atomic< unsigned long long >, atomic< unsigned short >, atomic< wchar_t >, atomic_base< T >, atomic_base< T * >, atomic_float_base< Float >, atomic_ref_base< Float, false, true >, atomic_ref_base< T, false, false >, atomic_ref_base< T, true, false >
• is_steady : steady_clock, system_clock
• is_storable() : aligned_union< Len, Types >
• is_supported() : secret
• is_transparent : owner_less< shared_ptr< T > >, owner_less< void >, owner_less< weak_ptr< T > >
• iterator_category : back_insert_iterator< Container >, front_insert_iterator< Container >, insert_iterator< Container >, iterator_traits< T * >, normal_iterator< Iterator >, reverse_iterator< Iterator >
• iterator_type : normal_iterator< Iterator >