better_errors.rb

class Evaluate
  def call(input_data, bank)
    initial_data = input_data.merge(bank.parameters)
    steps = bank.evaluation_steps
    
    steps.inject(initial_data) do |data, (result_name, calculate_result)|
      begin
        data.merge({ result_name.to_sym => calculate_result.(data) })
      rescue ArgumentError
        raise $!, "#{$!}, when using: #{calculate_result}, to calculate: #{result_name}", $!.backtrace
      end
    end
  end
  
  private
  
  def merge_and_wrap(data, parameters)
    DataWrapper.new(data.merge parameters)
  end
end