From a77b0b054a00f24bf1f3cc3637d919702ddc1602 Mon Sep 17 00:00:00 2001
From: Nikolai Vazquez <nvzqz@users.noreply.github.com>
Date: Fri, 10 May 2019 23:44:49 +0200
Subject: [PATCH] Make `App::configure` take an `FnOnce` (#825)

---
 src/app.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/app.rs b/src/app.rs
index bac71250f..eb14d46fa 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -128,7 +128,7 @@ where
     /// ```
     pub fn configure<F>(mut self, f: F) -> Self
     where
-        F: Fn(&mut ServiceConfig),
+        F: FnOnce(&mut ServiceConfig),
     {
         let mut cfg = ServiceConfig::new();
         f(&mut cfg);