From 239595fc5929806b2f8c4d476d9bb383f8b0418e Mon Sep 17 00:00:00 2001
From: Marcin Wawrzyniak <wawrzyniak.mm@gmail.com>
Date: Sun, 29 Sep 2013 18:15:16 +0100
Subject: [PATCH] ADD: "&" and "*" use cases in function parameters

---
 ruby.html.markdown | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/ruby.html.markdown b/ruby.html.markdown
index b9ba83cb..8723e18f 100644
--- a/ruby.html.markdown
+++ b/ruby.html.markdown
@@ -287,6 +287,18 @@ surround { puts 'hello world' }
 # }
 
 
+# You can pass a block to a function
+# "&" marks a reference to a passed block 
+def guests(&block)
+ block.call "some_argument" 
+end
+ 
+# You can pass a list of arguments, which will be converted into an array
+# That's what splat operator ("*") is for 
+def guests(*array)
+ array.each { |guest| puts "#{guest}" }
+end
+
 # Define a class with the class keyword
 class Human