REBOL Programming/forall

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USAGE:[edit]

FORALL 'word body 

DESCRIPTION:[edit]

Evaluates a block for every value in a series.

FORALL is a function value.

ARGUMENTS[edit]

  • word -- Word set to each position in series and changed as a result (Type: word)
  • body -- Block to evaluate each time (Type: block)

(SPECIAL ATTRIBUTES)[edit]

  • catch
  • throw

SOURCE CODE[edit]

forall: func [
    "Evaluates a block for every value in a series." 
    [catch throw] 
    'word [word!] {Word set to each position in series and changed as a result} 
    body [block!] "Block to evaluate each time"
][
    throw-on-error [forskip :word 1 body]
]