The new cmp package provides types and functions related to
comparing ordered values.
For #59488
Change-Id: I43f4b2e6036f63b87c2152672d2b6fa18235cbeb
Reviewed-on: https://go-review.googlesource.com/c/go/+/496356
Run-TryBot: Ian Lance Taylor <iant@golang.org> Reviewed-by: Russ Cox <rsc@golang.org> Reviewed-by: Eli Bendersky <eliben@golang.org>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Robert Griesemer <gri@google.com>