using System;
using System.Collections.Generic;

public static class EnumerableExtensions {
    /// <summary>
    /// Performs an action on each element in the sequence.
    /// </summary>
    /// <typeparam name="T">The type of elements in the sequence.</typeparam>
    /// <param name="sequence">The sequence to iterate over.</param>
    /// <param name="action">The action to perform on each element.</param>    
    public static void ForEach<T>(this IEnumerable<T> sequence, Action<T> action) {
        foreach (var item in sequence) {
            action(item);
        }
    }
}