cache_control.rb in protocol-http-0.24.0

- old
+ new

@@ -1,26 +1,9 @@
 # frozen_string_literal: true
 
-# Copyright, 2020, by Samuel G. D. Williams. <http://www.codeotaku.com>
-# 
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to deal
-# in the Software without restriction, including without limitation the rights
-# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-# copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-# 
-# The above copyright notice and this permission notice shall be included in
-# all copies or substantial portions of the Software.
-# 
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-# THE SOFTWARE.
+# Released under the MIT License.
+# Copyright, 2020-2023, by Samuel Williams.
 
 require_relative 'split'
 
 module Protocol
 	module HTTP
@@ -34,11 +17,11 @@
 				
 				STATIC = 'static'
 				DYNAMIC = 'dynamic'
 				STREAMING = 'streaming'
 				
-				def initialize(value)
-					super(value.downcase)
+				def initialize(value = nil)
+					super(value&.downcase)
 				end
 				
 				def << value
 					super(value.downcase)
 				end