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/DiyEqualMethod_test.go

@@ -0,0 +1,47 @@
+/*
+ *  @Author : huangzj
+ *  @Time : 2020/12/30 14:49
+ *  @Description：自定义Equal方法...
+ */
+
+package go_cmp
+
+import (
+	"fmt"
+	"github.com/google/go-cmp/cmp"
+	"testing"
+)
+
+type NetAddr struct {
+	IP   string
+	Port int
+}
+
+func (a NetAddr) Equal(b NetAddr) bool {
+	if a.Port != b.Port {
+		return false
+	}
+
+	if a.IP != b.IP {
+		if a.IP == "127.0.0.1" && b.IP == "localhost" {
+			return true
+		}
+
+		if a.IP == "localhost" && b.IP == "127.0.0.1" {
+			return true
+		}
+
+		return false
+	}
+
+	return true
+}
+
+func TestDiyEqualMethod(t *testing.T) {
+	a1 := NetAddr{"127.0.0.1", 5000}
+	a2 := NetAddr{"localhost", 5000}
+	a3 := NetAddr{"192.168.1.1", 5000}
+
+	fmt.Println("a1 equals a2?", cmp.Equal(a1, a2))
+	fmt.Println("a1 equals a3?", cmp.Equal(a1, a3))
+}