CanExec reports whether the current system can start new processes using os.StartProcess or (more commonly) exec.Command.

InChina returns whether the current time is in China Standard Time.

LookPath searches for an executable named file in the directories named by the PATH environment variable, for the os windows, the named file will be spliced with the .exe suffix.

LookUpGo searches an executable go in the directories named by the GOROOT/bin or PATH environment variable.

LookUpProtoc searches an executable protoc in the directories named by the PATH environment variable.

LookUpProtocGenGo searches an executable protoc-gen-go in the directories named by the PATH environment variable.

LookUpProtocGenGoGrpc searches an executable protoc-gen-go-grpc in the directories named by the PATH environment variable.