From 394c23b084bcdfe8f45de194ebe77d4e06d4d5e9 Mon Sep 17 00:00:00 2001
From: Guillaume Gomez <guillaume1.gomez@gmail.com>
Date: Wed, 25 May 2016 00:49:49 +0200
Subject: [PATCH] Implement Error trait for fmt::Error type

---
 src/libstd/error.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/libstd/error.rs b/src/libstd/error.rs
index d49d97649467a..2a2d41112ffae 100644
--- a/src/libstd/error.rs
+++ b/src/libstd/error.rs
@@ -212,6 +212,13 @@ impl<T: Error> Error for Box<T> {
     }
 }
 
+#[stable(feature = "fmt_error", since = "1.11.0")]
+impl Error for fmt::Error {
+    fn description(&self) -> &str {
+        "an error occurred when formatting an argument"
+    }
+}
+
 // copied from any.rs
 impl Error + 'static {
     /// Returns true if the boxed type is the same as `T`