411 REFERENCE · Wikibooks
Rebol Programming/true?
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
USAGE:
TRUE? val
DESCRIPTION:
Returns true if an expression can be used as true.
TRUE? is a function value.
ARGUMENTS
val -- (Type: any)
SOURCE CODE
true?: func [
"Returns true if an expression can be used as true."
val
][not not :val]