lowering: cleanup some hofs
diff --git a/src/librustc_ast_lowering/expr.rs b/src/librustc_ast_lowering/expr.rs
index a24bb52..5dc855e 100644
--- a/src/librustc_ast_lowering/expr.rs
+++ b/src/librustc_ast_lowering/expr.rs
@@ -848,10 +848,7 @@
}
}
- fn with_catch_scope<T, F>(&mut self, catch_id: NodeId, f: F) -> T
- where
- F: FnOnce(&mut Self) -> T,
- {
+ fn with_catch_scope<T>(&mut self, catch_id: NodeId, f: impl FnOnce(&mut Self) -> T) -> T {
let len = self.catch_scopes.len();
self.catch_scopes.push(catch_id);
@@ -867,10 +864,7 @@
result
}
- fn with_loop_scope<T, F>(&mut self, loop_id: NodeId, f: F) -> T
- where
- F: FnOnce(&mut Self) -> T,
- {
+ fn with_loop_scope<T>(&mut self, loop_id: NodeId, f: impl FnOnce(&mut Self) -> T) -> T {
// We're no longer in the base loop's condition; we're in another loop.
let was_in_loop_condition = self.is_in_loop_condition;
self.is_in_loop_condition = false;
@@ -892,10 +886,7 @@
result
}
- fn with_loop_condition_scope<T, F>(&mut self, f: F) -> T
- where
- F: FnOnce(&mut Self) -> T,
- {
+ fn with_loop_condition_scope<T>(&mut self, f: impl FnOnce(&mut Self) -> T) -> T {
let was_in_loop_condition = self.is_in_loop_condition;
self.is_in_loop_condition = true;
