411 REFERENCE · Wikibooks
Rebol Programming/error?
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
USAGE:
ERROR? value
DESCRIPTION:
Returns TRUE for error values.
ERROR? is an action value.
ARGUMENTS
value -- (Type: any-type)
SOURCE CODE
error?: native["Returns TRUE for error values." value [any-type!] 2]