From 412ac63ff517c7eab5e1cfe0bf239616bd2c13a1 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Thu, 21 Feb 2019 15:24:42 +0300
Subject: docs

---
 crates/ra_syntax/src/algo.rs | 1 +
 1 file changed, 1 insertion(+)

(limited to 'crates/ra_syntax/src/algo.rs')

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| {
-- 
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