411 REFERENCE · Wikibooks
Rebol Programming/zero?
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USAGE:
ZERO? number
DESCRIPTION:
Returns TRUE if the number is zero.
ZERO? is an action value.
ARGUMENTS
number -- (Type: number pair char money time tuple)
SOURCE CODE
zero?: native[
"Returns TRUE if the number is zero."
number [number! pair! char! money! time! tuple!]
]