sumdb/tlog: transparent log data structures and algorithms

Copied from golang.org/x/exp/sumdb/internal/tlog.

For golang/go#31761.

Change-Id: If44ad226195908ebc8757c1ca54f20f2a6adb3ef
Reviewed-on: https://go-review.googlesource.com/c/mod/+/176462
Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>
6 files changed
tree: 98f048fcf63034d2f8a52b3b00257f39966f3c6f
  1. LICENSE
  2. PATENTS
  3. README
  4. codereview.cfg
  5. go.mod
  6. module/
  7. semver/
  8. sumdb/