INNER CODE UNIT · Go

copyUnexportedStructFields

jinzhu/copier · copier.go:502

func copyUnexportedStructFields(to, from reflect.Value) {
	if from.Kind() != reflect.Struct || to.Kind() != reflect.Struct || !from.Type().AssignableTo(to.Type()) {
		return
	}

	// create a shallow copy of 'to' to get all fields
	tmp := indirect(reflect.New(to.Type()))
	tmp.Set(from)

	// revert exported fields
	for i := 0; i < to.NumField(); i++ {
		if tmp.Field(i).CanSet() {
			tmp.Field(i).Set(to.Field(i))
		}
	}
	to.Set(tmp)
}

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