From cf6cbe581607376ae3d9552bc8e0e8778f27995d Mon Sep 17 00:00:00 2001
From: Elliott Slaughter <slaughter@cs.stanford.edu>
Date: Thu, 19 Oct 2023 23:10:28 -0700
Subject: [PATCH] Simplify init code.

---
 src/merge_data.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/merge_data.rs b/src/merge_data.rs
index 7203aee..97bb6e6 100644
--- a/src/merge_data.rs
+++ b/src/merge_data.rs
@@ -16,7 +16,8 @@ pub struct MergeDeferredDataSource {
 impl MergeDeferredDataSource {
     pub fn new(data_sources: Vec<Box<dyn DeferredDataSource>>) -> Self {
         assert!(!data_sources.is_empty());
-        let infos = (0..data_sources.len()).map(|_| VecDeque::new()).collect();
+        let mut infos = Vec::new();
+        infos.resize_with(data_sources.len(), VecDeque::new);
         Self {
             data_sources,
             infos,