Initial commit

player/media_test.go

@@ -0,0 +1,22 @@
+package player
+
+import (
+	"fmt"
+	"testing"
+)
+
+type A struct {
+	A string
+}
+
+type B struct {
+	B string
+}
+
+func TestStruct(t *testing.T) {
+	var x interface{} = &A{A: "123"}
+	y, ok := x.(*A)
+	fmt.Println(y, ok)
+	z, ok := x.(*B)
+	fmt.Println(z, ok)
+}