func (s *SampleInstance) SetLength(val uint32) bool { return bool(C.al_set_sample_instance_length((*C.ALLEGRO_SAMPLE_INSTANCE)(unsafe.Pointer(s)), C.uint(val))) }
// Sets the length of the sample instance. func (self *SampleInstance) SetLength(val uint) bool { return cb2b(C.al_set_sample_instance_length(self.handle, C.uint(val))) }