package reflect2 type safeStructType struct { safeType } func (type2 *safeStructType) FieldByName(name string) StructField { field, found := type2.Type.FieldByName(name) if !found { panic("field " + name + " not found") } return &safeField{StructField: field} } func (type2 *safeStructType) Field(i int) StructField { return &safeField{StructField: type2.Type.Field(i)} } func (type2 *safeStructType) FieldByIndex(index []int) StructField { return &safeField{StructField: type2.Type.FieldByIndex(index)} } func (type2 *safeStructType) FieldByNameFunc(match func(string) bool) StructField { field, found := type2.Type.FieldByNameFunc(match) if !found { panic("field match condition not found in " + type2.Type.String()) } return &safeField{StructField: field} }