411 REFERENCE · Wikibooks
Rebol Programming/function
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
USAGE:
FUNCTION spec vars body
DESCRIPTION:
Defines a user function with local words.
FUNCTION is a function value.
ARGUMENTS
spec -- Optional help info followed by arg words (and optional type and string) (Type: block)
vars -- List of words that are local to the function (Type: block)
body -- The body block of the function (Type: block)
SOURCE CODE
function: func [
"Defines a user function with local words."
spec [block!] {Optional help info followed by arg words (and optional type and string)}
vars [block!] "List of words that are local to the function"
body [block!] "The body block of the function"
][
make function! head insert insert tail copy spec /local vars body
]