From 3b8e1f309e16b63069ede2e7bf0dfb8d7dbae959 Mon Sep 17 00:00:00 2001
From: Jeffrey Seyfried <jeffrey.seyfried@gmail.com>
Date: Sun, 12 Jun 2016 01:49:58 +0000
Subject: Implement `Into<Vec<T>>` for `SmallVector<T>`

---
 src/libsyntax/util/small_vector.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'src/libsyntax')

diff --git a/src/libsyntax/util/small_vector.rs b/src/libsyntax/util/small_vector.rs
index 8b07b21c578..9548805c1f8 100644
--- a/src/libsyntax/util/small_vector.rs
+++ b/src/libsyntax/util/small_vector.rs
@@ -29,6 +29,16 @@ enum SmallVectorRepr<T> {
     Many(Vec<T>),
 }
 
+impl<T> Into<Vec<T>> for SmallVector<T> {
+    fn into(self) -> Vec<T> {
+        match self.repr {
+            Zero => Vec::new(),
+            One(t) => vec![t],
+            Many(vec) => vec,
+        }
+    }
+}
+
 impl<T> FromIterator<T> for SmallVector<T> {
     fn from_iter<I: IntoIterator<Item=T>>(iter: I) -> SmallVector<T> {
         let mut v = SmallVector::zero();
-- 
cgit 1.4.1-3-g733a5