From 76e63b36bd1ab3420c3cf61a07bc217ae827c5cd Mon Sep 17 00:00:00 2001
From: Brent Westbrook <brentrwestbrook@gmail.com>
Date: Mon, 22 Sep 2025 16:17:41 -0400
Subject: [PATCH] add `CellOffsets::ranges` helper

---
 crates/ruff_notebook/src/cell.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/crates/ruff_notebook/src/cell.rs b/crates/ruff_notebook/src/cell.rs
index 56c1822341..0bcd613370 100644
--- a/crates/ruff_notebook/src/cell.rs
+++ b/crates/ruff_notebook/src/cell.rs
@@ -308,6 +308,13 @@ impl CellOffsets {
         })
         .is_ok()
     }
+
+    /// Returns an iterator over [`TextRange`]s covered by each cell.
+    pub fn ranges(&self) -> impl Iterator<Item = TextRange> {
+        self.iter()
+            .tuple_windows()
+            .map(|(start, end)| TextRange::new(*start, *end))
+    }
 }
 
 impl Deref for CellOffsets {