From acc2819c10ce1eb9daadac606c3ab6cfbfa91851 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lauren=C8=9Biu=20Nicola?= <lnicola@dend.ro>
Date: Mon, 22 Jun 2020 18:16:00 +0300
Subject: Don't offer to add missing fields of unknown types

---
 crates/ra_ide/src/diagnostics.rs | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'crates/ra_ide/src/diagnostics.rs')

diff --git a/crates/ra_ide/src/diagnostics.rs b/crates/ra_ide/src/diagnostics.rs
index a88a978d7..9bde1db8e 100644
--- a/crates/ra_ide/src/diagnostics.rs
+++ b/crates/ra_ide/src/diagnostics.rs
@@ -167,6 +167,9 @@ fn missing_struct_field_fix(
     };
 
     let new_field_type = sema.type_of_expr(&record_expr.expr()?)?;
+    if new_field_type.is_unknown() {
+        return None;
+    }
     let new_field = make::record_field_def(
         record_expr.field_name()?,
         make::type_ref(&new_field_type.display_source_code(sema.db, module.into()).ok()?),
-- 
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