Rebol Programming/func

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USAGE:[edit | edit source]

FUNC spec body 

DESCRIPTION:[edit | edit source]

Defines a user function with given spec and body.

FUNC is a function value.

ARGUMENTS[edit | edit source]

  • spec -- Help string (opt) followed by arg words (and opt type and string) (Type: block)
  • body -- The body block of the function (Type: block)

(SPECIAL ATTRIBUTES)[edit | edit source]

  • catch

SOURCE CODE[edit | edit source]

func: func [
    "Defines a user function with given spec and body." 
    [catch] 
    spec [block!] {Help string (opt) followed by arg words (and opt type and string)} 
    body [block!] "The body block of the function"
][
    throw-on-error [make function! spec body]
]