New much better algorithm

demo.go

@@ -23,41 +23,73 @@ func runDemo() {
 }
 
 func test(c *cogo.Coroutine[int, int]) {
-	if cogo.HasGen() {
-		test_cogo(c)
-		return
-	}
-
-	c.Begin()
 
 	println("test yield:", 1)
 	c.Yield(1)
 
+	if c.Out > 2 {
+		c.Yield(1)
+	}
+
 	// Yield here until at least 100ms passed
 	c.YieldTo(cogo.NewSleeper(100 * time.Millisecond))
 
 	// Yield here until the coroutine 'test2' has finished
-	c.YieldTo(cogo.New(test2, 0))
+	// c.YieldTo(cogo.New(test2, 0))
 
 	println("test yield:", 2)
 	c.Yield(2)
 }
 
-func test2(c *cogo.Coroutine[int, int]) {
-	if cogo.HasGen() {
-		test2_cogo(c)
-		return
+// func test2(c *cogo.Coroutine[int, int]) {
+
+// 	println("test2222 yield:", 1)
+// 	c.Yield(1)
+
+// 	println("test2222 yield:", 2)
+// 	c.Yield(2)
+
+// 	println("test2222 before yield none")
+// 	c.YieldNone()
+// 	println("test2222 after yield none")
+// }
+
+func NewApproach(state int) {
+
+	switch state {
+	case 1:
+		goto lbl_1
+	case 2:
+		goto lbl_2
+	case 3:
+		state = 1
+		goto lbl_2
+	default:
 	}
 
-	c.Begin()
+	println("1")
+	println("2")
+	state = 1
+	// return
 
-	println("test2222 yield:", 1)
-	c.Yield(1)
+lbl_1:
+	println("3")
+	state = 2
+	// return
 
-	println("test2222 yield:", 2)
-	c.Yield(2)
+lbl_2:
+	{
+		switch state {
+		case 1:
+			goto lbl_3
 
-	println("test2222 before yield none")
-	c.YieldNone()
-	println("test2222 after yield none")
+		default:
+		}
+
+		println("4")
+		state = 3
+		// return
+
+	lbl_3:
+	}
 }