Wikibooks

Rebol Programming/spec-of

< Rebol Programming
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USAGE:

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SPEC-OF value

DESCRIPTION:

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Returns a copy of the spec of a function.

SPEC-OF is a function value.

ARGUMENTS

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  • value -- (Type: any)

SOURCE CODE

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spec-of: func [
    "Returns a copy of the spec of a function." 
    value
][
    case [
        object? :value [none] 
        any-function? :value [copy/deep third :value] 
        'else [cause-error 'script 'cannot-use reduce ['reflect type? :value]]
    ]
]
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