From 00cdde2c5218020b8f6ec751042a436aeef923c7 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Wed, 17 Oct 2018 19:52:25 +0300
Subject: Update rowan

---
 crates/ra_syntax/src/algo/walk.rs | 28 ----------------------------
 1 file changed, 28 deletions(-)
 delete mode 100644 crates/ra_syntax/src/algo/walk.rs

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

diff --git a/crates/ra_syntax/src/algo/walk.rs b/crates/ra_syntax/src/algo/walk.rs
deleted file mode 100644
index 9afa86401..000000000
--- a/crates/ra_syntax/src/algo/walk.rs
+++ /dev/null
@@ -1,28 +0,0 @@
-use crate::{algo::generate, SyntaxNodeRef};
-
-#[derive(Debug, Copy, Clone)]
-pub enum WalkEvent<'a> {
-    Enter(SyntaxNodeRef<'a>),
-    Exit(SyntaxNodeRef<'a>),
-}
-
-pub fn walk<'a>(root: SyntaxNodeRef<'a>) -> impl Iterator<Item = WalkEvent<'a>> {
-    generate(Some(WalkEvent::Enter(root)), move |pos| {
-        let next = match *pos {
-            WalkEvent::Enter(node) => match node.first_child() {
-                Some(child) => WalkEvent::Enter(child),
-                None => WalkEvent::Exit(node),
-            },
-            WalkEvent::Exit(node) => {
-                if node == root {
-                    return None;
-                }
-                match node.next_sibling() {
-                    Some(sibling) => WalkEvent::Enter(sibling),
-                    None => WalkEvent::Exit(node.parent().unwrap()),
-                }
-            }
-        };
-        Some(next)
-    })
-}
-- 
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