From ccede754122619134ab3def5766b5c4aeb524054 Mon Sep 17 00:00:00 2001
From: Varun Narang <904409+varunarang@users.noreply.github.com>
Date: Fri, 31 Dec 2021 23:31:35 +0530
Subject: [PATCH] Use the full power of closure.

Use the full power of closure by accepting the parameters to anonymous function being run by goroutine.
---
 examples/waitgroups/waitgroups.go | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/examples/waitgroups/waitgroups.go b/examples/waitgroups/waitgroups.go
index 5ac70b5..d67f463 100644
--- a/examples/waitgroups/waitgroups.go
+++ b/examples/waitgroups/waitgroups.go
@@ -29,19 +29,16 @@ func main() {
 	// counter for each.
 	for i := 1; i <= 5; i++ {
 		wg.Add(1)
-		// Avoid re-use of the same `i` value in each goroutine closure.
-		// See [the FAQ](https://golang.org/doc/faq#closures_and_goroutines)
-		// for more details.
-		i := i
-
+		
 		// Wrap the worker call in a closure that makes sure to tell
 		// the WaitGroup that this worker is done. This way the worker
 		// itself does not have to be aware of the concurrency primitives
 		// involved in its execution.
-		go func() {
+		go func(i int) {
 			defer wg.Done()
 			worker(i)
-		}()
+		// use the incremental value of i in each different goroutine.
+		}(i)
 	}
 
 	// Block until the WaitGroup counter goes back to 0;