Fatalln is equivalent to l.Println() followed by a call to os.Exit(1).

Fatalf is equivalent to l.Printf() followed by a call to os.Exit(1).

Fatalln is equivalent to l.Println() followed by a call to os.Exit(1).

Flags returns the output flags for the logger.

Panic is equivalent to l.Print() followed by a call to panic().

Panicf is equivalent to l.Printf() followed by a call to panic().

Panicln is equivalent to l.Println() followed by a call to panic().

SetFlags sets the output flags for the logger.