Add subset and superset operator for Array : Array Extension « Array « Ruby

Ruby 1.  ActiveRecord 2.  Array 3.  CGI 4.  Class 5.  Collections 6.  Database 7.  Date 8.  Design Patterns 9.  Development 10.  File Directory 11.  GUI 12.  Hash 13.  Language Basics 14.  Method 15.  Network 16.  Number 17.  Rails 18.  Range 19.  Reflection 20.  Statement 21.  String 22.  Threads 23.  Time 24.  Tk 25.  Unit Test 26.  Windows Platform 27.  XML Java Java Tutorial Java Source Code / Java Documentation Java Open Source Jar File Download Java Articles Java Products Java by API C# / C Sharp C# / CSharp Tutorial ASP.Net JavaScript DHTML JavaScript Tutorial JavaScript Reference HTML / CSS HTML CSS Reference C / ANSI-C C Tutorial C++ C++ Tutorial PHP Python SQL Server / T-SQL SQL Server / T-SQL Tutorial Oracle PL / SQL Oracle PL/SQL Tutorial PostgreSQL SQL / MySQL MySQL Tutorial VB.Net VB.Net Tutorial Flash / Flex / ActionScript VBA / Excel / Access / Word Microsoft Office PowerPoint 2007 Tutorial Microsoft Office Excel 2007 Tutorial Microsoft Office Word 2007 Tutorial

Ruby » Array » Array Extension   Add subset and superset operator for Array class Array   def subset?(other)     self.each  do |x|       if !(other.include? x)         return false       end     end     true   end   def superset?(other)     other.subset?(self)   end end a = [1, 2, 3, 4] b = [2, 3] c = [2, 3, 4, 5] flag1 = c.subset? a     # false flag2 = b.subset? a     # true flag3 = c.superset? b   # true   Related examples in the same category 1.  Add your method to system data type 2.  Add a new method to Array class 3.  Add shuffle method to Array class 4.  strip values from array 5.  Extract array in place 6.  Array cartesian 7.  Add method to Array class to convert an array to a hash 8.  each from both sides 9.  Extends array comparsion method 10.  Override array method 11.  Add new operator for Array 12.  Set permutation for Array 13.  Resequence the array 14.  Use hash to count elements in an array 15.  convert array to a hash

www.java2java.com | Contact Us

Copyright 2010 - 2030 Java Source and Support. All rights reserved.

All other trademarks are property of their respective owners.