From c937619a81301c95aa96a6589982c6d8be3f5b39 Mon Sep 17 00:00:00 2001
From: adrian-wechner <adrian.wechner@gmail.com>
Date: Fri, 24 Jul 2020 10:28:22 +0200
Subject: [PATCH] assert

---
 actix-server/src/builder.rs | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/actix-server/src/builder.rs b/actix-server/src/builder.rs
index a29a59af..e04c0905 100644
--- a/actix-server/src/builder.rs
+++ b/actix-server/src/builder.rs
@@ -74,10 +74,8 @@ impl ServerBuilder {
     /// By default server uses number of available logical cpu as workers
     /// count. Explicitly setting 0 will also default.
     pub fn workers(mut self, num: usize) -> Self {
-        self.threads = match num {
-            0 => num_cpus::get(),
-            _ => num,
-        };
+        assert_ne!(num 0, "workers must be greater than 0");
+        self.threads = num;
         self
     }