/// <summary>
/// Find an object in a value-type collection.
/// </summary>
/// <typeparam name="T">Type of collection.</typeparam>
/// <param name="collection">The collection to search.</param>
/// <param name="isMatch">The Predicate to test to find the collection item.</param>
/// <returns>The collection item.</returns>
public static T GetValueItem<T>(this ICollection<T> collection, Predicate<T> isMatch)
{
    foreach (var item in collection)
    {
        if (isMatch(item))
            return item;
    }
    return default(T);
}
 
/// <summary>
/// Find an object in a reference type collection.
/// </summary>
/// <typeparam name="T">Type of collection.</typeparam>
/// <param name="collection">The collection to search.</param>
/// <param name="isMatch">The Predicate to test to find the collection item.</param>
/// <returns>The collection item.</returns>
public static T GetReferenceItem<T>(this ICollection<T> collection, Predicate<T> isMatch) where T : class, new()
{
    foreach (var item in collection)
    {
        if (isMatch(item))
            return item;
    }
    return new T();
}