empty
-
constant
-
The word empty is a constant whose value is "" — an empty string containing no characters. In SenseTalk, empty is used a lot. It is the value that is usually returned any time there is no value to return from a function or expression. For example, these expressions will all result in an empty value: +
character 9 of "hello"
item 6 of (1,3,5,9)
property "age" of (name:"Fred", occupation:"Zookeeper")
-
-
keyword
- an empty list
- an empty object
- an empty property list
- new empty object