# File lib/validatable_instance_methods.rb, line 49
49:   def validate_only(key)
50:     validation_name, attribute_name = key.split("/")
51:     validation_name = validation_name.split("_").collect{|word| word.capitalize}.join
52:     validation_key = "#{self.class.name}/Validatable::Validates#{validation_name}/#{attribute_name}"
53:     validation = self.class.all_validations.find { |validation| validation.key == validation_key }
54:     raise ArgumentError.new("validation with key #{validation_key} could not be found") if validation.nil?
55:     errors.clear
56:     run_validation(validation)
57:   end