From 799495b847727536da0dd51466a67f40c9eb5b0a Mon Sep 17 00:00:00 2001
From: René Kijewski <kijewski@library.vetmed.fu-berlin.de>
Date: Mon, 28 Mar 2022 16:44:03 +0200
Subject: Implement std::error::Error::source

Error::cause() is deprecated since Rust 1.33.
---
 askama_shared/src/error.rs | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/askama_shared/src/error.rs b/askama_shared/src/error.rs
index 98f2703..7c959a6 100644
--- a/askama_shared/src/error.rs
+++ b/askama_shared/src/error.rs
@@ -41,14 +41,14 @@ pub enum Error {
 }
 
 impl std::error::Error for Error {
-    fn cause(&self) -> Option<&dyn std::error::Error> {
+    fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
         match *self {
-            Error::Fmt(ref err) => err.source(),
+            Error::Fmt(ref err) => Some(err),
             Error::Custom(ref err) => Some(err.as_ref()),
             #[cfg(feature = "serde_json")]
-            Error::Json(ref err) => err.source(),
+            Error::Json(ref err) => Some(err),
             #[cfg(feature = "serde_yaml")]
-            Error::Yaml(ref err) => err.source(),
+            Error::Yaml(ref err) => Some(err),
         }
     }
 }
-- 
cgit