encoding/ianaindex: first implementation Note that Get was renamed to the more idiomatic Encoding. Added a MIB index for MIB naming. Fixes golang/go#18278. Change-Id: I421e9afe3be1a759c034e2e0a4659511f437aeea Reviewed-on: https://go-review.googlesource.com/36515 Run-TryBot: Marcel van Lohuizen <mpvl@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Nigel Tao <nigeltao@golang.org>