411 REFERENCE · Wikibooks
Rebol Programming/throw-error
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
USAGE:
THROW-ERROR err-type err-id args
DESCRIPTION:
Causes an immediate error throw with the provided information.
THROW-ERROR is a function value.
ARGUMENTS
err-type -- (Type: word)
err-id -- (Type: word)
args -- (Type: any)
SOURCE CODE
throw-error: func [
{Causes an immediate error throw with the provided information.}
err-type [word!]
err-id [word!]
args
][
parse args: compose [(:args)] [0 3 [args: any-function! (
change/only args copy/deep third first args
) | skip]]
args: head args
throw make error! reduce [err-type err-id pick args 1 pick args 2 pick args 3]
]