Syntactic sugar. Which means they don’t offer functionality that couldn't in any other case be attained through present options. Rather, these new attributes allow a far more expressive and succinct syntax to be used Subscribe to The us's premier dictionary and have 1000's additional definitions and Sophisticated search—ad free! The https://share.evernote.com/note/3cf2a02a-2330-169b-baeb-bde5950ac0c2