From 55dbf76eb5706b628a3fc7fb0faf77104f47e020 Mon Sep 17 00:00:00 2001
From: Patrick Willner <50421879+heat1q@users.noreply.github.com>
Date: Fri, 21 Jan 2022 17:32:53 +0100
Subject: [PATCH] Add Retry-After header constant

---
 echo.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/echo.go b/echo.go
index 9ae2ed4e5..fc7e116f0 100644
--- a/echo.go
+++ b/echo.go
@@ -207,6 +207,7 @@ const (
 	HeaderIfModifiedSince     = "If-Modified-Since"
 	HeaderLastModified        = "Last-Modified"
 	HeaderLocation            = "Location"
+	HeaderRetryAfter          = "Retry-After"
 	HeaderUpgrade             = "Upgrade"
 	HeaderVary                = "Vary"
 	HeaderWWWAuthenticate     = "WWW-Authenticate"