diff --git a/book_with_bridge/comon_shit/main.go b/book_with_bridge/comon_shit/main.go
index 9613ee0..d6d0230 100644
--- a/book_with_bridge/comon_shit/main.go
+++ b/book_with_bridge/comon_shit/main.go
@@ -2,18 +2,19 @@ package main
 
 import "fmt"
 
-func square() func () int {
-	var x int
-	return func() int {
-		x++
-		return x*x
-	}
+type Point struct {
+	x int
 }
+
+func (p *Point) Inc() {
+	p.x++
+}
+
 func main() {
-	f := square()
-	fmt.Println(f())	
-	fmt.Println(f())	
-	fmt.Println(f())	
-	fmt.Println(f())	
-	fmt.Println(f())	
+	points := []*Point{{1},{2},{3}}
+
+	for _,p := range points {
+		p.Inc()
+	}
+	fmt.Println(points[0].x)
 }
\ No newline at end of file