Make relevant_crates return a Set

1 files changed, 5 insertions, 0 deletions

diff --git a/crates/ra_hir_expand/src/lib.rs b/crates/ra_hir_expand/src/lib.rs
index f440c073b..dc4d7f000 100644
--- a/crates/ra_hir_expand/src/lib.rs
+++ b/crates/ra_hir_expand/src/lib.rs
@@ -424,3 +424,8 @@ impl<N: AstNode> InFile<N> {
         self.with_value(self.value.syntax())
     }
 }
+
+// FIXME: this is obviously wrong, there shouldn't be any guesing here
+fn guess_crate(db: &dyn db::AstDatabase, file_id: FileId) -> Option<CrateId> {
+    db.relevant_crates(file_id).iter().next().copied()
+}