type encoding/gob.fieldType

4 uses

	encoding/gob (current package)
		type.go#L269: 	checkId(21, mustGetTypeInfo(reflect.TypeOf(fieldType{})).id)
		type.go#L397: type fieldType struct {
		type.go#L404: 	Field []*fieldType
		type.go#L547: 			st.Field = append(st.Field, &fieldType{f.Name, gt.id()})