func (b *Buffer) Closed() bool {
	b.lock.Lock()
	defer b.lock.Unlock()

	return b.closed
}
func (b *Buffer) Closed() bool {
	b.lock.Lock()
	defer b.lock.Unlock()

	return b.closed
}
func ( b * Buffer ) Closed ( ) bool { b . lock . Lock ( ) defer b . lock . Unlock ( ) return b . closed }
/*
Closed returns true if the buffer has been closed
*/
/ * Closed returns true if the buffer has been closed