func ExampleCompile() {
	a := &test.NinOptNative{
		Field4: proto.Int64(1234),
		Field7: proto.Int32(123),
	}
	fp1, err := fieldpath.NewInt64Path("test", "NinOptNative", test.ThetestDescription(), "Field4")
	if err != nil {
		panic(err)
	}
	fp2, err := fieldpath.NewSint32Path("test", "NinOptNative", test.ThetestDescription(), "Field7")
	if err != nil {
		panic(err)
	}
	buf, err := proto.Marshal(a)
	if err != nil {
		panic(err)
	}
	u1 := fieldpath.NewInt64Unmarshaler(fp1, &handler64{})
	u2 := fieldpath.NewSint32Unmarshaler(fp2, &handler32{})
	c := fieldpath.Compile(u1, u2)
	err = c.Unmarshal(buf)
	if err != nil {
		panic(err)
	}
	// Output:
	// 1234
	// 123
}
func ExampleUnmarshaler() {
	a := &test.NinOptNative{
		Field4: proto.Int64(1234),
	}
	fp, err := fieldpath.NewInt64Path("test", "NinOptNative", test.ThetestDescription(), "Field4")
	if err != nil {
		panic(err)
	}
	buf, err := proto.Marshal(a)
	if err != nil {
		panic(err)
	}
	h := &handler{}
	u := fieldpath.NewInt64Unmarshaler(fp, h)
	err = u.Unmarshal(buf)
	if err != nil {
		panic(err)
	}
	// Output:
	// 1234
}