Rollup merge of #75485 - RalfJung:pin, r=nagisa

[rust.git] / src / librustc_middle / ty / list.rs

diff --git a/src/librustc_middle/ty/list.rs b/src/librustc_middle/ty/list.rs
index 92d6dbb5f90f557fb59ab4d2959a193a0112572c..fe390adf89f9fe70c32c94338f69807f3f7821e3 100644 (file)
--- a/src/librustc_middle/ty/list.rs
+++ b/src/librustc_middle/ty/list.rs
@@ -76,9 +76,16 @@ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
     }
 }
 
-impl<T: Encodable> Encodable for List<T> {
+impl<S: Encoder, T: Encodable<S>> Encodable<S> for List<T> {
     #[inline]
-    fn encode<S: Encoder>(&self, s: &mut S) -> Result<(), S::Error> {
+    fn encode(&self, s: &mut S) -> Result<(), S::Error> {
+        (**self).encode(s)
+    }
+}
+
+impl<S: Encoder, T: Encodable<S>> Encodable<S> for &List<T> {
+    #[inline]
+    fn encode(&self, s: &mut S) -> Result<(), S::Error> {
         (**self).encode(s)
     }
 }