From d4ddec2bdfc0766782a662b87e1456a9041e8182 Mon Sep 17 00:00:00 2001
From: Jonas Schievink <jonas.schievink@ferrous-systems.com>
Date: Wed, 24 Jun 2020 16:14:58 +0200
Subject: Shrink arenas after building ItemTree

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

(limited to 'crates/ra_arena/src/lib.rs')

diff --git a/crates/ra_arena/src/lib.rs b/crates/ra_arena/src/lib.rs
index 441fbb3cb..3169aa5b8 100644
--- a/crates/ra_arena/src/lib.rs
+++ b/crates/ra_arena/src/lib.rs
@@ -116,6 +116,9 @@ impl<T> Arena<T> {
     ) -> impl Iterator<Item = (Idx<T>, &T)> + ExactSizeIterator + DoubleEndedIterator {
         self.data.iter().enumerate().map(|(idx, value)| (Idx::from_raw(RawId(idx as u32)), value))
     }
+    pub fn shrink_to_fit(&mut self) {
+        self.data.shrink_to_fit();
+    }
 }
 
 impl<T> Default for Arena<T> {
-- 
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