qjpcpu/diff

diff go values

demo

package main

import (
	"fmt"

	"github.com/qjpcpu/diff"
)

type Person struct {
	Name    string
	Age     int
	Addr    Address
	Hobbies []string
}

type Address struct {
	Street   string
	District *string
}

func main() {
	dist1 := "Blue"
	p1 := &Person{
		Name: "Link",
		Age:  22,
		Addr: Address{
			Street:   "Lanjing",
			District: &dist1,
		},
		Hobbies: []string{"writing"},
	}
	p2 := &Person{
		Name: "Jack",
		Age:  21,
		Addr: Address{
			Street: "Zhichun",
		},
		Hobbies: []string{"writing", "reading"},
	}
	differ := diff.New()
	patch := differ.MakePatch(p1, p2)
	fmt.Println(patch.Readable())
}

Output:
Patch size: 5
01. .Name (Diff Value) left=("Link") right=("Jack")
02. .Age (Diff Value) left=(22) right=(21)
03. .Addr.Street (Diff Value) left=("Lanjing") right=("Zhichun")
04. .Addr.District (Diff Right No Value) left=("Blue") right=(null)
05. .Hobbies[1] (Diff Right Elem Added) left=("") right=("reading")