Go语言的各种Print函数
func Fprintf(w io.Writer, format string, a ...interface{}) (n int, err error) func Printf(format string, a ...interface{}) (n int, err error) func Sprintf(format string, a ...interface{}) string func Errorf(format string, a ...interface{}) error func Fprint(w io.Writer, a ...interface{}) (n int, err error) func Print(a ...interface{}) (n int, err error) func Sprint(a ...interface{}) string func Fprintln(w io.Writer, a ...interface{}) (n int, err error) func Println(a ...interface{}) (n int, err error) func Sprintln(a ...interface{}) string
各个print函数原型签名