From c3a69ac1edeb5c5c4c7be4d63517691d3102184a Mon Sep 17 00:00:00 2001
From: Loic Nageleisen <loic.nageleisen@gmail.com>
Date: Tue, 19 Sep 2017 13:57:01 +0200
Subject: [PATCH] Return after assign in guard clause

---
 lib/nanoserve.rb | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/nanoserve.rb b/lib/nanoserve.rb
index a09058c..ba2bedc 100644
--- a/lib/nanoserve.rb
+++ b/lib/nanoserve.rb
@@ -129,7 +129,10 @@ module NanoServe
       end
 
       def parse_header(str)
-        (@sep = '' && return) if str == ''
+        if str == ''
+          @sep = true
+          return
+        end
 
         unless (m = str.match(/(?<header>[A-Za-z][-A-Za-z]*):\s+(?<value>.+)$/))
           raise RequestError, "cannot parse header: '#{str}'"