nsliteral
JSON -> NSArray literal or NSDictionary literal
Ex: fibrous-coffee> nsliteral 1 '@1'
fibrous-coffee> nsliteral "hello"
'@"hello"'
fibrous-coffee> nsliteral [1,2,3]
'@[@1, @2, @3]'
fibrous-coffee> nsliteral {"hello": 1, world: [true, false, null]}
'@{@"hello": @1, @"world": @[@(YES), @(NO), [NSNull null]], }'