object blank : Keyword
(source)
Represents a helper construct which allows expressing blankness. It can be used for a parameterless function so that it has one parameter and thus can be used as infix function.
expect("XZY") notToBe blank
fails {
expect(" ") notToBe blank
}
fails { // because an empty string is also considered to be a blank string
expect("") notToBe blank
}