Merge #3483

3483: Unfold groups with single assists into plain assists r=matklad a=SomeoneToIgnore

A follow-up of https://github.com/rust-analyzer/rust-analyzer/pull/3120/files#r378788698 , made to show more detailed label when the assist group contains a single element

Co-authored-by: Kirill Bulatov <[email protected]>

1 files changed, 5 insertions, 2 deletions

diff --git a/crates/ra_assists/src/assist_ctx.rs b/crates/ra_assists/src/assist_ctx.rs
index c25d2e323..62182cf03 100644
--- a/crates/ra_assists/src/assist_ctx.rs
+++ b/crates/ra_assists/src/assist_ctx.rs
@@ -166,8 +166,11 @@ impl<'a> AssistGroup<'a> {
     }
 
     pub(crate) fn finish(self) -> Option<Assist> {
-        assert!(!self.assists.is_empty());
-        Some(Assist(self.assists))
+        if self.assists.is_empty() {
+            None
+        } else {
+            Some(Assist(self.assists))
+        }
     }
 }