From b1e858bc76fef274bd3adad86c394c656acab0e9 Mon Sep 17 00:00:00 2001
From: Kashiwa <13825170+ksw2000@users.noreply.github.com>
Date: Mon, 24 Feb 2025 15:12:05 +0800
Subject: [PATCH] =?UTF-8?q?=E2=99=BB=EF=B8=8F=20Refactor:=20the=20value=20?=
 =?UTF-8?q?of=20map=20is=20unused=20in=20uniqueRouteStack=20(#3320)?=
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Co-authored-by: Juan Calderon-Perez <835733+gaby@users.noreply.github.com>
---
 helpers.go | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/helpers.go b/helpers.go
index 7e9e202c..eea6b370 100644
--- a/helpers.go
+++ b/helpers.go
@@ -192,12 +192,10 @@ func (app *App) methodExistCustom(c CustomCtx) bool {
 // uniqueRouteStack drop all not unique routes from the slice
 func uniqueRouteStack(stack []*Route) []*Route {
 	var unique []*Route
-	m := make(map[*Route]int)
+	m := make(map[*Route]struct{})
 	for _, v := range stack {
 		if _, ok := m[v]; !ok {
-			// Unique key found. Record position and collect
-			// in result.
-			m[v] = len(unique)
+			m[v] = struct{}{}
 			unique = append(unique, v)
 		}
 	}