code: func (in *FCVolumeSource) DeepCopyInto(out *FCVolumeSource) {
  	*out = *in
  	if in.TargetWWNs != nil {
  		in, out := &in.TargetWWNs, &out.TargetWWNs
  		*out = make([]string, len(*in))
  		copy(*out, *in)
  	}
  	if in.Lun != nil {
  		in, out := &in.Lun, &out.Lun
  		*out = new(int32)
  		**out = **in
  	}
  	if in.WWIDs != nil {
  		in, out := &in.WWIDs, &out.WWIDs
  		*out = make([]string, len(*in))
  		copy(*out, *in)
  	}
  	return
  }
docs: // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.