helpers/selectors.js
function identifier (options) {
  var result = ddata._identifier(options)
  return result ? options.fn(result) : 'ERROR, Cannot find identifier.'
}
function identifier (options) {
  var result = ddata._identifier(options)
  return result ? options.fn(result) : 'ERROR, Cannot find identifier.'
}
function identifier ( options ) { var result = ddata . _identifier ( options ) return result ? options . fn ( result ) : 'ERROR, Cannot find identifier.' }
render the supplied block for the specified identifier
@static
render the supplied block for the specified identifier