Add dyn to silence warning from new language edition

felixc · Sep 2, 2019 · 1679d6c · 1679d6c
1 parent 2aa2cfa
commit 1679d6c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/lib.rs b/src/lib.rs
@@ -79,7 +79,7 @@ impl std::error::Error for Rexiv2Error {
         }
     }
 
-    fn cause(&self) -> Option<&std::error::Error> {
+    fn cause(&self) -> Option<&dyn std::error::Error> {
         match *self {
             Rexiv2Error::NoValue => None,
             Rexiv2Error::Utf8(ref err) => Some(err),