func (b *Buffer) L(format string, a ...interface{}) {
	fmt.Fprintf(b.buf, format, a...)
	b.N()
}
func (b *Buffer) L(format string, a ...interface{}) {
	fmt.Fprintf(b.buf, format, a...)
	b.N()
}
func ( b * Buffer ) L ( format string , a ... interface { } ) { fmt . Fprintf ( b . buf , format , a ... ) b . N ( ) }
// L accumulates a single line of source code.
L accumulates a single line of source code .