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shostakovich/set_experiments.rb

Created August 22, 2012 17:42
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Nice stuff on set
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set_experiments.rb
require 'set'
Set.new([1, 2, 3])
#<Set: {1, 2, 3}>
Set.new([1, 2, 3]) do |val| val * 2 end
#<Set: {2, 4, 6}>
Set.new([1,2,3]) & Set.new([2,3,4])
#<Set: {2, 3}>
Set.new([1,2,3]) - Set.new([2,3])
#<Set: {1}>
Set.new([1,2,3]) | Set.new([2,3,4])
#<Set: {1, 2, 3, 4}>
Set.new([1,2,3]) ^ Set.new([2,3,4])
#<Set: {4, 1}>
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