From c56510e5fd7e9790005fb256e3a023336a6eeaab Mon Sep 17 00:00:00 2001
From: Andy Grove <andygrove73@gmail.com>
Date: Sun, 10 Mar 2019 17:09:42 -0600
Subject: [PATCH] projection takes slice instead of vec

---
 rust/arrow/src/datatypes.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rust/arrow/src/datatypes.rs b/rust/arrow/src/datatypes.rs
index e0fab5c9a8762..34860350e7357 100644
--- a/rust/arrow/src/datatypes.rs
+++ b/rust/arrow/src/datatypes.rs
@@ -754,7 +754,7 @@ impl Schema {
     }
 
     /// Create a new schema by applying a projection to this schema's fields
-    pub fn projection(&self, projection: &Vec<usize>) -> Result<Arc<Schema>> {
+    pub fn projection(&self, projection: &[usize]) -> Result<Arc<Schema>> {
         let mut fields: Vec<Field> = Vec::with_capacity(projection.len());
         for i in projection {
             if *i < self.fields().len() {