def where(attribute, type = nil, **options)
      attribute, type, options = normalize_arguments(attribute, type, options)
      @errors.select { |error|
        error.match?(attribute, type, options)
      }
    end
def where(attribute, type = nil, **options)
      attribute, type, options = normalize_arguments(attribute, type, options)
      @errors.select { |error|
        error.match?(attribute, type, options)
      }
    end
Search for errors matching +attribute+, +type+ or +options+.

 Only supplied params will be matched.

   person.errors.where(:name) # => all name errors.
   person.errors.where(:name, :too_short) # => all name errors being too short
   person.errors.where(:name, :too_short, minimum: 2) # => all name errors being too short and minimum is 2