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ik5/yield_example.rb

Last active August 29, 2015 14:09
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simple example for yielding in ruby
Raw
yield_example.rb
def to_file(*block)
raise ArgumentError.new('You must use block') unless block_given?
f = open('/tmp/to_file', 'a+')
yield f
f.close
end
to_file do |f|
f.puts 'Hello World'
end
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