1 files changed, 1 insertions, 0 deletions

diff --git a/crates/ra_syntax/src/algo.rs b/crates/ra_syntax/src/algo.rs
index 99b0983b0..e8cf0d4b5 100644
--- a/crates/ra_syntax/src/algo.rs
+++ b/crates/ra_syntax/src/algo.rs
@@ -33,6 +33,7 @@ pub fn find_covering_node(root: &SyntaxNode, range: TextRange) -> &SyntaxNode {
     SyntaxNode::from_repr(root.0.covering_node(range))
 }
 
+// Replace with `std::iter::successors` in `1.34.0`
 pub fn generate<T>(seed: Option<T>, step: impl Fn(&T) -> Option<T>) -> impl Iterator<Item = T> {
     ::itertools::unfold(seed, move |slot| {
         slot.take().map(|curr| {