Unnamed repository; edit this file 'description' to name the repository.
-rw-r--r--crates/ide/src/rename.rs7
1 files changed, 4 insertions, 3 deletions
diff --git a/crates/ide/src/rename.rs b/crates/ide/src/rename.rs
index 48d748fd19..51f6b5d133 100644
--- a/crates/ide/src/rename.rs
+++ b/crates/ide/src/rename.rs
@@ -36,9 +36,10 @@ pub(crate) fn prepare_rename(
let mut defs = find_definitions(&sema, syntax, position)?;
// TODO:
- // - empty case possible or already caught by `find_definitions`?
- // - is "just take the first" correct? If not, what do?
- let (name_like, _def) = defs.next().unwrap();
+ // - is "No references found at position" the right error? (why does it not get caught by `find_definitions`... hmm)
+ // - is "just take the first `name_like`" correct? If not, what do?
+ let (name_like, _def) =
+ defs.next().ok_or_else(|| format_err!("No references found at position"))?;
let frange = sema.original_range(name_like.syntax());
always!(frange.range.contains_inclusive(position.offset) && frange.file_id == position.file_id);
Ok(RangeInfo::new(frange.range, ()))