bendns' repos / rust-analyzer
Unnamed repository; edit this file 'description' to name the repository.
Diffstat
-rw-r--r--crates/hir_ty/src/display.rs13
1 files changed, 7 insertions, 6 deletions
diff --git a/crates/hir_ty/src/display.rs b/crates/hir_ty/src/display.rs
index 377821b376..3644bbd30d 100644
--- a/crates/hir_ty/src/display.rs
+++ b/crates/hir_ty/src/display.rs
@@ -1115,12 +1115,13 @@ impl HirDisplay for TypeRef {
write!(f, "{}...", if parameters.len() == 1 { "" } else { ", " })?;
}
write!(f, ")")?;
- let ret_ty = &parameters.last().unwrap().1;
- match ret_ty {
- TypeRef::Tuple(tup) if tup.is_empty() => {}
- _ => {
- write!(f, " -> ")?;
- ret_ty.hir_fmt(f)?;
+ if let Some((_, ret_ty)) = &parameters.last() {
+ match ret_ty {
+ TypeRef::Tuple(tup) if tup.is_empty() => {}
+ _ => {
+ write!(f, " -> ")?;
+ ret_ty.hir_fmt(f)?;
+ }
}
}
}