Boolean predicates

Predicates applicable to boolean values

false
Overview

Returns true if the argument is effectively false else return false.

false-or-null
Overview

Returns true if the argument is effectively false or null else return false.

identical-to
Overview

Returns true if the boolean passed as argument has the same value than the boolean passed as parameter. Returns false otherwise.

Parameter
  • reference: A boolean value to compare to the argument.
true
Overview

Returns true if the argument is effectively true else return false.

true-or-null
Overview

Returns true if the argument is effectively true or null else return false.


Special predicates
Text predicates