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Re: [YANG] 7.8.3 unique statement

Balazs Lengyel <balazs.lengyel@ericsson.com> Fri, 11 January 2008 17:27 UTC

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Date: Fri, 11 Jan 2008 19:12:24 +0100
From: Balazs Lengyel <balazs.lengyel@ericsson.com>
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To: Martin Bjorklund <mbj@tail-f.com>
Subject: Re: [YANG] 7.8.3 unique statement
References: <47879832.8020201@andybierman.com> <20080111.174410.174968555.mbj@tail-f.com> <4787A152.4030104@andybierman.com> <20080111.181307.139544515.mbj@tail-f.com>
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Martin Bjorklund wrote:
> Andy Bierman <ietf@andybierman.com> wrote:
>> Martin Bjorklund wrote:
>>>> It is also OK to apply the default once.
>>> So you would allow one instance with the default, and the rest has to
>>> have values set?
>>>
>> no -- the value specified by the default can be used once.
>> If the leaf is not provided, and its value has not been used
>> yet, then it is OK to apply the default and still be unique.
> 
> I think that this translates to treating a leaf that has its default
> the same way as a non-existing leaf (in the unique test).
> 
> 
I don't understand the difference between Martin's original proposal and Andy's. Can you give 
me an example please ? Can I create two such leafs without specifying the value i.e. using the 
default? That sounds a strange kind of unique to me.

Balazs


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