parser: move `ban_async_in_2015` to `fn` parsing & improve it.

[rust.git] / src / librustc_data_structures / graph / reference.rs

diff --git a/src/librustc_data_structures/graph/reference.rs b/src/librustc_data_structures/graph/reference.rs
index 5ad2a71e1d7323c424ac42a7192c72d8a52e4e62..c259fe56c1509e913374dfe94b0025c5d715982c 100644 (file)
--- a/src/librustc_data_structures/graph/reference.rs
+++ b/src/librustc_data_structures/graph/reference.rs
@@ -17,15 +17,13 @@ fn start_node(&self) -> Self::Node {
 }
 
 impl<'graph, G: WithSuccessors> WithSuccessors for &'graph G {
-    fn successors<'iter>(&'iter self, node: Self::Node) -> <Self as GraphSuccessors<'iter>>::Iter {
+    fn successors(&self, node: Self::Node) -> <Self as GraphSuccessors<'_>>::Iter {
         (**self).successors(node)
     }
 }
 
 impl<'graph, G: WithPredecessors> WithPredecessors for &'graph G {
-    fn predecessors<'iter>(&'iter self,
-                           node: Self::Node)
-                           -> <Self as GraphPredecessors<'iter>>::Iter {
+    fn predecessors(&self, node: Self::Node) -> <Self as GraphPredecessors<'_>>::Iter {
         (**self).predecessors(node)
     }
 }