Function tidy

tfjs-core/src/globals.ts:190–193

(
    nameOrFn: string|ScopeFn<T>, fn?: ScopeFn<T>)

 * @doc {heading: 'Performance', subheading: 'Memory'}
 */
export function tidy<T extends TensorContainer>(
    nameOrFn: string|ScopeFn<T>, fn?: ScopeFn<T>): T {
  return ENGINE.tidy(nameOrFn, fn);
}

/**
 * Disposes any `tf.Tensor`s found within the provided object.