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ncr/modules_wtf.rb

Created July 2, 2010 11:03
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  1. ncr revised this gist Jul 2, 2010. 1 changed file with 3 additions and 3 deletions.
    6 changes: 3 additions & 3 deletions modules_wtf.rb
    View file
    Original file line number Diff line number Diff line change
    @@ -10,13 +10,13 @@
    => "y"
    irb(main):007:0> Class.new do include B; include A end.new.x
    => "x"
    irb(main):008:0> A.send :include, B
    irb(main):008:0> A.send :include, B # Look at this line.
    => A
    irb(main):009:0> Class.new do include A; end.new.x
    => "x"
    irb(main):010:0> Class.new do include B; end.new.x
    => "y"
    irb(main):011:0> Class.new do include A; include B end.new.x
    irb(main):011:0> Class.new do include A; include B end.new.x # I can't find explanation for this...
    => "x"
    irb(main):012:0> Class.new do include B; include A end.new.x
    irb(main):012:0> Class.new do include B; include A end.new.x
    => "x"
  2. ncr created this gist Jul 2, 2010.
    22 changes: 22 additions & 0 deletions modules_wtf.rb
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,22 @@
    irb(main):002:0> module A; def x; "x"; end end
    => nil
    irb(main):003:0> module B; def x; "y"; end end
    => nil
    irb(main):004:0> Class.new do include A; end.new.x
    => "x"
    irb(main):005:0> Class.new do include B; end.new.x
    => "y"
    irb(main):006:0> Class.new do include A; include B end.new.x
    => "y"
    irb(main):007:0> Class.new do include B; include A end.new.x
    => "x"
    irb(main):008:0> A.send :include, B
    => A
    irb(main):009:0> Class.new do include A; end.new.x
    => "x"
    irb(main):010:0> Class.new do include B; end.new.x
    => "y"
    irb(main):011:0> Class.new do include A; include B end.new.x
    => "x"
    irb(main):012:0> Class.new do include B; include A end.new.x
    => "x"