Brad Fitzpatrick 47bd0723a0 all: use iterators in more places instead of Range funcs
And misc cleanup along the way.

Updates #12912

Change-Id: I0cab148b49efc668c6f5cdf09c740b84a713e388
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2025-01-04 11:01:00 -08:00
..