feat(Go-StudyExample):2020/12/31：新增【Go每日一库】go-cmp结构体比较工具

example/go-cmp/Diff_test.go

@@ -0,0 +1,34 @@
+/*
+ *  @Author : huangzj
+ *  @Time : 2020/12/30 14:03
+ *  @Description：输出两个对象之间的差异
+ */
+
+package go_cmp
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/google/go-cmp/cmp"
+)
+
+type Contact struct {
+	Phone string
+	Email string
+}
+
+type User struct {
+	Name    string
+	Age     int
+	Contact *Contact
+}
+
+func TestDiff(t *testing.T) {
+	c1 := &Contact{Phone: "123456789", Email: "dj@example.com"}
+	c2 := &Contact{Phone: "123456879", Email: "dj2@example.com"}
+	u1 := User{Name: "dj", Age: 18, Contact: c1}
+	u2 := User{Name: "dj2", Age: 18, Contact: c2}
+
+	fmt.Println(cmp.Diff(u1, u2))
+}