From d1bce6070def3b4d5045c3fc4bb66904d50d0a40 Mon Sep 17 00:00:00 2001
From: Jonas Schievink <jonasschievink@gmail.com>
Date: Sat, 3 Apr 2021 23:45:27 +0200
Subject: Use shrink_to_fit to reduce DefMap sizes

---
 crates/hir_def/src/nameres.rs | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'crates/hir_def/src/nameres.rs')

diff --git a/crates/hir_def/src/nameres.rs b/crates/hir_def/src/nameres.rs
index 9e8e4e9ec..6a09ad420 100644
--- a/crates/hir_def/src/nameres.rs
+++ b/crates/hir_def/src/nameres.rs
@@ -409,6 +409,17 @@ impl DefMap {
             }
         }
     }
+
+    fn shrink_to_fit(&mut self) {
+        self.extern_prelude.shrink_to_fit();
+        self.exported_proc_macros.shrink_to_fit();
+        self.diagnostics.shrink_to_fit();
+        self.modules.shrink_to_fit();
+        for (_, module) in self.modules.iter_mut() {
+            module.children.shrink_to_fit();
+            module.scope.shrink_to_fit();
+        }
+    }
 }
 
 impl ModuleData {
-- 
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