scopes

1 files changed, 1 insertions, 1 deletions

diff --git a/crates/libsyntax2/src/algo/mod.rs b/crates/libsyntax2/src/algo/mod.rs
index 2640d60ea..7287f5bb2 100644
--- a/crates/libsyntax2/src/algo/mod.rs
+++ b/crates/libsyntax2/src/algo/mod.rs
@@ -119,7 +119,7 @@ fn common_ancestor<'a>(n1: SyntaxNodeRef<'a>, n2: SyntaxNodeRef<'a>) -> SyntaxNo
     panic!("Can't find common ancestor of {:?} and {:?}", n1, n2)
 }
 
-fn generate<T>(seed: Option<T>, step: impl Fn(&T) -> Option<T>) -> impl Iterator<Item=T> {
+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| {
             *slot = step(&curr);