From 6f202ae3b506025f6a4b6297cea6089fc04f898b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=98systems?= <>
Date: Tue, 21 Jan 2020 15:00:19 +1000
Subject: [PATCH] optimize vector fill

---
 actix-server/src/builder.rs | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/actix-server/src/builder.rs b/actix-server/src/builder.rs
index df733759..0012cbee 100644
--- a/actix-server/src/builder.rs
+++ b/actix-server/src/builder.rs
@@ -263,12 +263,12 @@ impl ServerBuilder {
             info!("Starting {} workers", self.threads);
 
             // start workers
-            let mut workers = Vec::new();
-            for idx in 0..self.threads {
+            let workers = (0..self.threads).map(|idx| {
                 let worker = self.start_worker(idx, self.accept.get_notify());
-                workers.push(worker.clone());
-                self.workers.push((idx, worker));
-            }
+                self.workers.push((idx, worker.clone()));
+
+                worker
+            }).collect();
 
             // start accept thread
             for sock in &self.sockets {