not
Description: The not
function
returns the negation of the Boolean value of the subject.
Subject Type: Boolean
Arguments: No arguments
Return Type: Boolean
Examples: We can invert the value of another function
by using the not
function, as
${filename:equals('hello.txt'):not()}
. This will return
true
if the filename is NOT equal to "hello.txt" and will
return false
if the filename is "hello.txt."