lib/validator.js
function _requireParameterCount(count, parameters, rule) {
    if (parameters.length < count) {
      throw Error('Validation rule"' + rule + '" requires at least ' + count + ' parameters.');
    }
  }
function _requireParameterCount(count, parameters, rule) {
    if (parameters.length < count) {
      throw Error('Validation rule"' + rule + '" requires at least ' + count + ' parameters.');
    }
  }
function _requireParameterCount ( count , parameters , rule ) { if ( parameters . length < count ) { throw Error ( 'Validation rule"' + rule + '" requires at least ' + count + ' parameters.' ) ; } }
check parameters count

@param {Number} count
@param {Array}  parameters
@param {String} rule

@return {Void}
check parameters count