https://pkg.go.dev/github.com/Golangltd/leafltd@v0.0.0-20201102054017-282493799a89/src/FenDZ/golang.org/x/tools/go/callgraph/cha
cha package - github.com/Golangltd/leafltd/src/FenDZ/golang.org/x/tools/go/callgraph/cha - Go...
Package cha computes the call graph of a Go program using the Class Hierarchy Analysis (CHA) algorithm.