From 6debaea6392011d3f259dba78c1354292e0f71f6 Mon Sep 17 00:00:00 2001
From: demo <demo@antix1>
Date: Sun, 24 May 2026 22:38:16 -0400
Subject: refactor: remove unused 'done' channel parameter

---
 main.go | 33 ++++++++++++++++++++++-----------
 1 file changed, 22 insertions(+), 11 deletions(-)

(limited to 'main.go')

diff --git a/main.go b/main.go
index a4670c0..e5d4c11 100644
--- a/main.go
+++ b/main.go
@@ -18,11 +18,10 @@ func main() {
 
 func game(numSecs int) {
 	var wg sync.WaitGroup
-	done := make(chan struct{})
 	p0 := make(chan Ball)
 
-	p1 := player(1, &wg, done, p0)
-	p2 := player(2, &wg, done, p1)
+	p1 := player(1, &wg, p0)
+	p2 := player(2, &wg, p1)
 	t := time.Tick(time.Duration(numSecs) * time.Second)
 
 	p0 <- Ball{}
@@ -36,13 +35,29 @@ loop:
 		}
 	}
 
+	// This sets off a chain reaction that closes all the
+	//  p-channels (p0, p1, etc.)
 	close(p0)
 
 	wg.Wait()
-	fmt.Println("Done for now")
+
+	// If any of these prints out, we know we did something wrong.
+	for range p0 {
+		fmt.Println("P0")
+	}
+
+	for range p1 {
+		fmt.Println("P1")
+	}
+
+	for range p2 {
+		fmt.Println("P2")
+	}
+
+	fmt.Println("Done for real!")
 }
 
-func player(id int, wg *sync.WaitGroup, done <-chan struct{}, input <-chan Ball) <-chan Ball {
+func player(id int, wg *sync.WaitGroup, input <-chan Ball) <-chan Ball {
 	out := make(chan Ball)
 
 	wg.Go(func() {
@@ -52,17 +67,13 @@ func player(id int, wg *sync.WaitGroup, done <-chan struct{}, input <-chan Ball)
 		}()
 
 		fmt.Printf("(%d) started\n", id)
-	loop:
+
 		for b := range input {
 			b.hits++
 			fmt.Printf("(%d) %d\n", id, b.hits)
 			time.Sleep(100 * time.Millisecond)
 
-			select {
-			case out <- b:
-			case <-done:
-				break loop
-			}
+			out <- b
 		}
 	})
 
-- 
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