From 8f2fa2f0d71835f7c97b1f0661e1065e978ce55f Mon Sep 17 00:00:00 2001
From: rfyiamcool <rfyiamcool@163.com>
Date: Sun, 25 Feb 2024 10:57:38 +0800
Subject: [PATCH] optimize: pre alloc slice

Signed-off-by: rfyiamcool <rfyiamcool@163.com>
---
 slug.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/slug.go b/slug.go
index 7d9c13a..62e3010 100644
--- a/slug.go
+++ b/slug.go
@@ -145,7 +145,7 @@ func MakeLang(s string, lang string) (slug string) {
 // order. Many passes, on one substitution another one could apply.
 func Substitute(s string, sub map[string]string) (buf string) {
 	buf = s
-	var keys []string
+	var keys = make([]string, 0, len(sub))
 	for k := range sub {
 		keys = append(keys, k)
 	}