https://pkg.go.dev/d.zyszy.best/pingcap/tidb/_vendor/src/github.com/petar/GoLLRB/llrb
llrb package - d.zyszy.best/pingcap/tidb/_vendor/src/github.com/petar/GoLLRB/llrb - Go Packages
A Left-Leaning Red-Black (LLRB) implementation of 2-3 balanced binary search trees, based on the following work: