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gnarmis/piping_example.rb

Created September 19, 2012 21:09
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Piping arguments through multiple functions in Ruby
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piping_example.rb
# piping example in Ruby
def foo(data)
data[:a] += 1
data
end
def bar(data)
data[:b] += 10
data
end
def pipe args, *methods
methods.reduce(args) { |a, m| send(m, a) }
end
hash = {:a => 0, :b => 0}
pipe hash, :foo, :bar
#=> {:a=>1, :b=>10}
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