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Rebol Programming/attempt

< Rebol Programming
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USAGE:

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ATTEMPT value

DESCRIPTION:

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Tries to evaluate and returns result or NONE on error.

ATTEMPT is a function value.

ARGUMENTS

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  • value -- (Type: any)

(SPECIAL ATTRIBUTES)

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  • throw

SOURCE CODE

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attempt: func [
    {Tries to evaluate and returns result or NONE on error.} 
    [throw] 
    value
][
    unless error? set/any 'value try :value [get/any 'value]
]
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