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authorMazdak Farrokhzad <twingoow@gmail.com>2019-06-20 22:14:24 +0200
committerGitHub <noreply@github.com>2019-06-20 22:14:24 +0200
commitd3898a67315734c9a7ca8160f732cc360a5334a8 (patch)
treed28ece198716aabb3e1b928b7e3f29f25d906704
parentf0c2bdf52e0c8bce258f1bbb5652c9691b7f3193 (diff)
parent8951cb5c40e4f577511ce7a10eca59f779c88933 (diff)
downloadrust-d3898a67315734c9a7ca8160f732cc360a5334a8.tar.gz
rust-d3898a67315734c9a7ca8160f732cc360a5334a8.zip
Rollup merge of #61900 - s3bk:master, r=sfackler
implement Error::source for Box<T: Error>

fixes https://github.com/rust-lang/rust/issues/61899
-rw-r--r--src/libstd/error.rs4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/libstd/error.rs b/src/libstd/error.rs
index 5cc7dcdae1f..5b1e78a1139 100644
--- a/src/libstd/error.rs
+++ b/src/libstd/error.rs
@@ -560,6 +560,10 @@ impl<T: Error> Error for Box<T> {
     fn cause(&self) -> Option<&dyn Error> {
         Error::cause(&**self)
     }
+
+    fn source(&self) -> Option<&(dyn Error + 'static)> {
+        Error::source(&**self)
+    }
 }
 
 #[stable(feature = "fmt_error", since = "1.11.0")]