Assertion: sass's function | /r/CapableOf | take additional callback
Facets:
Source sentences:
text: All functions can return synchronously, but functions passed to the asynchronous render() function can also take an additional callback to which they can asynchronously pass the result of the function when it’s complete.
text: All importers can return synchronously, but importers passed to the asynchronous render() function can also take an additional callback to which they can asynchronously pass the result of the import once it’s complete.