func (t target) FromEnumLabel(src string, tt *vdl.Type) error {
// enums in mojo are treated as an int32 on the wire (but have gaps in their values).
// This implementation assumes that we will use generated VDL values and not have gaps.
index := tt.EnumIndex(src)
binary.LittleEndian.PutUint32(t.current.Bytes(), uint32(index))
return nil
}