Implement Error trait for fmt::Error type

rust-lang · May 25, 2016 · 394c23b · 394c23b
1 parent dd6e8d4
commit 394c23b
Showing 1 changed file with 7 additions and 0 deletions.
diff --git 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`