From 26c490f404731d053a6205719b6246502c07b449 Mon Sep 17 00:00:00 2001 From: Patrick Simianer Date: Sat, 14 Jun 2014 16:46:27 +0200 Subject: init --- ruby/extend_array.rb | 12 ++++++++++++ 1 file changed, 12 insertions(+) create mode 100755 ruby/extend_array.rb (limited to 'ruby/extend_array.rb') diff --git a/ruby/extend_array.rb b/ruby/extend_array.rb new file mode 100755 index 0000000..9b00917 --- /dev/null +++ b/ruby/extend_array.rb @@ -0,0 +1,12 @@ +#!/usr/bin/env ruby + + +class Array + def sum + self.inject(:+) + end +end + +a = [1,2,3] +puts a.sum + -- cgit v1.2.3