perform action, if given condition is false or null and return condition result

Parameters

unless? condition :any
        action :block :bytecode

Returns

Examples

copy
x: 2

result: unless? x=1 -> print "yep, x is not 1!"
; yep, x is not 1!

print result
; true

z: 1

unless? x>z [
    print "yep, x was not greater than z"
]
else [
    print "x was greater than z"
]
; x was greater than z

Related