hoodwink.d enhanced

Fri Jun 19

Andy Warhol paints Debbie Harry on an Amiga

“ As long as you are rigorous and precise you can be as sloppy as you want. ”

Prof. Charles Leiserson

Basquiat2

Jean-Michel Basquiat

String#interpolate

class String
  def interpolate(assigns = {})
    interpolation_context = Struct.new(
      *assigns.keys
      ).new(*assigns.values)
                              
    gsub(/\{([^}]+)\}/) do 
      interpolation_context.instance_eval do
        eval($1, binding)
      end
    end
  end
end

s = "Avg: {total/count}, C: {count}, T: {total}"
s.interpolate :count => 20, :total => 4556
# => "Avg: 227, C: 20, T: 4556"