REBOL Document

None? - Function Summary

Summary:

Returns TRUE for none values.

Usage:

none? value

Arguments:

value - The value argument. (must be: any-type)

Description:

Returns FALSE for all other values. 


    print none? NONE
    true


    print none? pick "abc" 4
    true


    print none? find "abc" "d"
    true

Related:

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