From 03b5244f6df94e2dd1a163ac1328ed3ae84d6b8a Mon Sep 17 00:00:00 2001
From: AICells <1713699517@qq.com>
Date: Fri, 22 May 2020 02:10:40 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A4=87=E4=BB=BD?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/docs/go方法.md              |  9 ++++++
 src/learn/{menth.go => method.go} |  0
 src/learn/methodSet.go            | 33 +++++++++++++++++++
 src/learn/overMethod.go           | 53 +++++++++++++++++++++++++++++++
 4 files changed, 95 insertions(+)
 rename src/learn/{menth.go => method.go} (100%)
 create mode 100644 src/learn/methodSet.go
 create mode 100644 src/learn/overMethod.go

diff --git a/src/docs/go方法.md b/src/docs/go方法.md
index 1e02519..262df60 100644
--- a/src/docs/go方法.md
+++ b/src/docs/go方法.md
@@ -6,3 +6,12 @@
     而且为防止混淆 不允许本身是指针的类型进行方法声明
     type P *int
     func (p P) f() {/* ... */} //编译错误 非法的接受者类型
+    
+# 方法集
+    类型有一个与之相关的方法集（method set） 这决定了他是否实现了某个接口
+    
+    类型T方法集包含了所有 receiver T方法
+    类型*T方法集包含了所有receiver T + *T方法
+    匿名嵌入S， T方法集包含了所有 receiver S方法
+    匿名嵌入*S, T方法集包含了所有receiver S + *S方法
+    匿名嵌入S或*S, *T方法集包含了所有receiver S+ *S方法
diff --git a/src/learn/menth.go b/src/learn/method.go
similarity index 100%
rename from src/learn/menth.go
rename to src/learn/method.go
diff --git a/src/learn/methodSet.go b/src/learn/methodSet.go
new file mode 100644
index 0000000..68dd32b
--- /dev/null
+++ b/src/learn/methodSet.go
@@ -0,0 +1,33 @@
+package main
+
+import (
+	"fmt"
+	"reflect"
+)
+
+type S struct{}
+
+type T struct {
+	S
+}
+
+func (S) sVal()  {}
+func (*S) sPtr() {}
+func (T) tVal()  {}
+func (*T) tPtr() {}
+
+func methodSet(I interface{}) {
+	t := reflect.TypeOf(I)
+	fmt.Println(t)
+	for i, n := 0, t.NumMethod(); i < n; i++ {
+		m := t.Method(i)
+		fmt.Println(m.Name, m.Type)
+	}
+}
+
+func main() {
+	var t T
+	methodSet(t)
+	println("-----------------")
+	methodSet(&t)
+}
diff --git a/src/learn/overMethod.go b/src/learn/overMethod.go
new file mode 100644
index 0000000..6c81d04
--- /dev/null
+++ b/src/learn/overMethod.go
@@ -0,0 +1,53 @@
+package main
+
+type Str interface {
+	toStr()
+	add()
+}
+
+type user struct {
+	a int
+	b string
+}
+
+type manger struct {
+	*user
+	aa int
+	bb string
+}
+
+func (u user) toStr() {
+	println("IMY********user", u.a, " ", u.b)
+}
+
+func (u user) add() {
+	println("IMY********user222", u.a, " ", u.b)
+}
+
+func (m manger) toStr() {
+	println("IMY********manger")
+}
+
+func overa(s Str) {
+	println("TEST********", s)
+	s.toStr()
+}
+
+func overb(s Str) {
+	println("TEST********", s)
+	s.add()
+}
+
+func main() {
+	var m manger = manger{&user{22, "22uuuuuuuu"}, 1, "mmmmm"}
+	var u user = user{2, "uuuuuuuuu"}
+
+	u.toStr()
+	m.toStr()
+
+	overa(m)
+	overa(u)
+
+	overb(u)
+	overb(m)
+}