1 files changed, 3 insertions, 0 deletions

diff --git a/crates/ra_hir/src/db.rs b/crates/ra_hir/src/db.rs
index 3afd0994c..d2a372f3b 100644
--- a/crates/ra_hir/src/db.rs
+++ b/crates/ra_hir/src/db.rs
@@ -127,6 +127,9 @@ pub trait DefDatabase: SourceDatabase {
 
     #[salsa::invoke(crate::lang_item::LangItems::lang_item_query)]
     fn lang_item(&self, start_crate: Crate, item: SmolStr) -> Option<LangItemTarget>;
+
+    #[salsa::invoke(crate::docs::documentation_query)]
+    fn documentation(&self, def: crate::docs::DocDef) -> Option<crate::docs::Documentation>;
 }
 
 #[salsa::query_group(HirDatabaseStorage)]