module Mool

# File lib/mool.rb, line 27
def self.parse_to(obj, vars, parse)
  vars.each do |var|
    value = (obj.instance_variable_get(var).to_f *
             PARSE_TYPES[obj.unity]) /
            PARSE_TYPES[parse]
    obj.instance_variable_set(var, value)
  end
  obj.unity = parse
  obj
end