init

src/testfile/main.go

@@ -0,0 +1,29 @@
+package main
+
+// MyStruct 介绍
+type MyStruct struct {
+	Value int
+	Key   string
+	Do    func(
+		a int,
+		b struct{ A, B int })
+	S struct{ A int }
+}
+
+// ExStruct 升级
+type ExStruct struct {
+	ChildStruct struct {
+		A int
+		B interface{}
+	}
+}
+
+// SetChildStructA set
+func (e *ExStruct) SetChildStructA(a int) {
+	e.ChildStruct.A = a
+}
+
+func main() {
+	a := ExStruct{}
+	println(a)
+}