2 files changed, 4 insertions, 0 deletions

diff --git a/crates/ra_arena/Cargo.toml b/crates/ra_arena/Cargo.toml
index d287dbb73..66c3738f4 100644
--- a/crates/ra_arena/Cargo.toml
+++ b/crates/ra_arena/Cargo.toml
@@ -3,6 +3,7 @@ edition = "2018"
 name = "ra_arena"
 version = "0.1.0"
 authors = ["rust-analyzer developers"]
+license = "MIT OR Apache-2.0"
 
 [lib]
 doctest = false
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> {