From ed47468ebc355165d243b5643bc050432947c5e8 Mon Sep 17 00:00:00 2001
From: hthuz <hanggang.20@intl.zju.edu.cn>
Date: Mon, 1 Jul 2024 09:30:40 +0800
Subject: [PATCH] add: go interface

---
 go/interface.go | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 go/interface.go

diff --git a/go/interface.go b/go/interface.go
new file mode 100644
index 0000000..2bb2b84
--- /dev/null
+++ b/go/interface.go
@@ -0,0 +1,32 @@
+package main
+
+import "fmt"
+
+type Animal interface {
+	Bark()
+}
+
+type Dog struct {
+	name string
+}
+
+type Cat struct {
+	name string
+}
+
+func (d Dog) Bark() {
+	fmt.Println("W")
+}
+
+func (c Cat) Bark() {
+	fmt.Println("C")
+}
+
+func main() {
+	var d = Dog{"dog"}
+	var c = Cat{"cat"}
+	var in_d = Animal(d)
+	var in_c = Animal(c)
+	in_d.Bark()
+	in_c.Bark()
+}