@Chris，@Dave，
Thanks for the explanation, and thanks for the suggestion.
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From: "Chris Luke"-=-=-=-=-=-=-=-=-=-=-=-
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big deal really if
it’s done the way you show. It’s likely this came about incrementally in the
code.
Chris.
From: vpp-dev@lists.fd.io On Behalf Of "??
Sent: Saturday, July 11, 2020 04:48
To: vpp-dev
Subject: [EXTERNAL] [vpp-dev] why define an unused var
hi there,
i'm reading vpp
