/// <summary>Performs an action on each of the elements contained in the collection.</summary>
/// <typeparam name="T">The type of the elements that are contained in the collection.</typeparam>
/// <param name="source">The source collection.</param>
/// <param name="action">The action to perform on each of the elements.</param>
public static void ForEach <T>(this IEnumerable <T> source, IndexedEnumeratedElementAction <T> action)
{
foreach (var(index, e) in source.WithIndex())
{
action(index, e);
}
}
/// <summary>Performs an action on each of the elements contained in the collection.</summary>
/// <typeparam name="T">The type of the elements that are contained in the collection.</typeparam>
/// <param name="source">The source collection.</param>
/// <param name="action">The action to perform on each of the elements.</param>
public static async Task ForEachAsync <T>(this IAsyncEnumerable <T> source, IndexedEnumeratedElementAction <T> action)
{
int index = 0;
await foreach (T e in source)
{
action(index, e);
index++;
}
}
