Resolve field types lazily

I.e. not already when getting the HIR for the struct.

1 files changed, 6 insertions, 0 deletions

diff --git a/crates/ra_hir/src/db.rs b/crates/ra_hir/src/db.rs
index 113790ee9..e7f9afa77 100644
--- a/crates/ra_hir/src/db.rs
+++ b/crates/ra_hir/src/db.rs
@@ -1,6 +1,7 @@
 use std::sync::Arc;
 
 use ra_syntax::{
+    SmolStr,
     SyntaxNode,
     ast::FnDefNode,
 };
@@ -52,6 +53,11 @@ pub trait HirDatabase: SyntaxDatabase
         use fn query_definitions::type_for_def;
     }
 
+    fn type_for_field(def_id: DefId, field: SmolStr) -> Cancelable<Ty> {
+        type TypeForFieldQuery;
+        use fn query_definitions::type_for_field;
+    }
+
     fn file_items(file_id: FileId) -> Arc<SourceFileItems> {
         type SourceFileItemsQuery;
         use fn query_definitions::file_items;