REBOL Programming/unset?

USAGE:Edit

UNSET? value 

DESCRIPTION:Edit

Returns TRUE for unset values.

UNSET? is an action value.

ARGUMENTSEdit

  • value -- (Type: any-type)

SOURCE CODEEdit

unset?: native["Returns TRUE for unset values." value [any-type!] 1]
Last modified on 13 November 2012, at 10:43