From bc71907a50fb92d280f3a6a6701091a1e246eb86 Mon Sep 17 00:00:00 2001
From: Philipp Gesang <phg@phi-gamma.net>
Date: Fri, 4 Oct 2019 12:17:05 +0100
Subject: [PATCH] Tag trait objects with the 'dyn' keyword

The dyn keyword is now mandatory for trait objects (RFC 2113)
and rustc emits a warning where it is missing.
---
 src/convert.rs | 2 +-
 src/error.rs   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/convert.rs b/src/convert.rs
index 883ce784..ce03b0d3 100644
--- a/src/convert.rs
+++ b/src/convert.rs
@@ -301,7 +301,7 @@ impl<'a, T: ToSongPath> ToSongPath for &'a T {
     }
 }
 
-impl ToSongPath for AsRef<str> {
+impl ToSongPath for dyn AsRef<str> {
     fn to_path(&self) -> &str {
         self.as_ref()
     }
diff --git a/src/error.rs b/src/error.rs
index 4420cc63..65361982 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -182,7 +182,7 @@ pub enum Error {
 pub type Result<T> = result::Result<T, Error>;
 
 impl StdError for Error {
-    fn cause(&self) -> Option<&StdError> {
+    fn cause(&self) -> Option<&dyn StdError> {
         match *self {
             Error::Io(ref err) => Some(err),
             Error::Parse(ref err) => Some(err),