diff options
Diffstat (limited to 'compiler/rustc_data_structures/src/graph/iterate/mod.rs')
| -rw-r--r-- | compiler/rustc_data_structures/src/graph/iterate/mod.rs | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/compiler/rustc_data_structures/src/graph/iterate/mod.rs b/compiler/rustc_data_structures/src/graph/iterate/mod.rs index a9db3497b23..1c6979dc489 100644 --- a/compiler/rustc_data_structures/src/graph/iterate/mod.rs +++ b/compiler/rustc_data_structures/src/graph/iterate/mod.rs @@ -48,7 +48,7 @@ fn post_order_walk<G: DirectedGraph + WithSuccessors + WithNumNodes>( let node = frame.node; visited[node] = true; - while let Some(successor) = frame.iter.next() { + for successor in frame.iter.by_ref() { if !visited[successor] { stack.push(PostOrderFrame { node: successor, iter: graph.successors(successor) }); continue 'recurse; @@ -112,7 +112,7 @@ where /// This is equivalent to just invoke `next` repeatedly until /// you get a `None` result. pub fn complete_search(&mut self) { - while let Some(_) = self.next() {} + for _ in self {} } /// Returns true if node has been visited thus far. |