dashingly.rb

module DashingRefinement
  refine Integer do
    def -(b) "#{self}-#{b}" end
  end

  refine String do
    def -(b) Date.parse("#{self}-#{b}") end
  end
end

module Dashingly
  using DashingRefinement

  def self.wrap(&fn) instance_eval(&fn) end
end

# Hrm, that's not quite right either.
Dashingly.wrap { 2020-12-11 }
=> 1997