411 REFERENCE · Wikibooks
Rebol Programming/attempt
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
USAGE:
ATTEMPT value
DESCRIPTION:
Tries to evaluate and returns result or NONE on error.
ATTEMPT is a function value.
ARGUMENTS
value -- (Type: any)
(SPECIAL ATTRIBUTES)
throw
SOURCE CODE
attempt: func [
{Tries to evaluate and returns result or NONE on error.}
[throw]
value
][
unless error? set/any 'value try :value [get/any 'value]
]