/// <summary>
/// Asynchronously iterates over the input sequence and performs the specified action on each element of the <see cref="IAsyncQueryable{T}"/>.
/// </summary>
/// <typeparam name="TSource">The type of the elements of <paramref name="source"/>.</typeparam>
/// <param name="source">An <see cref="IAsyncQueryable{T}"/> containing items to operate on.</param>
/// <param name="action">The action to perform on each element.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation.</returns>
/// <exception cref="ArgumentNullException"><paramref name="action"/> is null.</exception>
public static Task ForEachAsync <TSource>(this IAsyncQueryable <TSource> source, Action <TSource> action, CancellationToken cancellationToken = default(CancellationToken))
{
if (action == null)
{
throw new ArgumentNullException(nameof(action));
}
return(source.ForEachAsync(
item =>
{
action(item);
return false;
}, cancellationToken));
}