如何将单个对象转换为IEnumerable<T>

如何将单个对象转换为IEnumerable<T>

Sep 12 2019

public static class IEnumerableExt
{
    /// <summary>
    /// Wraps this object instance into an IEnumerable&lt;T&gt;
    /// consisting of a single item.
    /// </summary>
    /// <typeparam name="T"> Type of the object. </typeparam>
    /// <param name="item"> The instance that will be wrapped. </param>
    /// <returns> An IEnumerable&lt;T&gt; consisting of a single item. </returns>
    public static IEnumerable<T> Yield<T>(this T item)
    {
        yield return item;
    }
}

new T[] { item }
// or
new [] { item }

public static IEnumerable<T> ToEnumerable<T>(params T[] items)
{
    return items;
}