Ruby pipeline, based on JS example

pipeline.rb

# https://babeljs.io/blog/2018/07/19/whats-happening-with-the-pipeline-proposal
module Pipeable
  def |(fn)
    fn.to_proc.call self
  end

  refine(Enumerable) { include Pipeable }
  refine(Proc)       { include Pipeable }
  refine(Array)      { include Pipeable }

  refine Kernel do
    def array_map(&b)
      -> arr { arr.map &b }
    end

    def array_filter(&b)
      -> arr { arr.select &b }
    end

    def count
      :count.to_proc
    end
  end
end

using Pipeable
(1..10) |                   # => 1..10
  array_map { |x| x * x } | # => [1, 4, 9, 16, 25, 36, 49, 64, 81, 100]
  array_filter(&:even?) |   # => [4, 16, 36, 64, 100]
  :sum                      # => 220