/// <summary>
/// Combines the current value, if exists, with passed IEnumerable
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="this"></param>
/// <param name="others"></param>
/// <returns></returns>
public static IEnumerable <T> Union <T>(this IEnumerable <T> @these, Maybe <T> other)
{
if (@these == null)
{
throw new ArgumentNullException("@these");
}
return(@these.Union(other.ToEnumerable()));
}
/// <summary>
/// Combines the current value, if exists, with passed IEnumerable
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="this"></param>
/// <param name="others"></param>
/// <returns></returns>
public static IEnumerable <T> Union <T>(this Maybe <T> @this, IEnumerable <T> others)
{
if (@this == null)
{
throw new ArgumentNullException("@this");
}
if (others == null)
{
throw new ArgumentNullException("others");
}
return(@this.ToEnumerable().Union(others));
}
/// <summary>
/// If <paramref name="a"/>.Value is present, returns a list of that single value, otherwise an empty list
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="a"></param>
/// <returns></returns>
public static IEnumerable <T> ReturnList <T>(this Maybe <T> a)
{
return(a.ToEnumerable());
}
/// <summary>
/// Combines the current value, if exists, with passed IEnumerable
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="this"></param>
/// <param name="others"></param>
/// <returns></returns>
public static IEnumerable <T> Union <T>(this IEnumerable <T> @these, Maybe <T> other)
{
return(@these.Union(other.ToEnumerable()));
}
/// <summary>
/// Combines the current value, if exists, with passed IEnumerable
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="this"></param>
/// <param name="others"></param>
/// <returns></returns>
public static IEnumerable <T> Union <T>(this Maybe <T> @this, IEnumerable <T> others)
{
return(@this.ToEnumerable().Union(others));
}
/// <summary>
/// Combines the current value, if exists, with passed IEnumerable
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="this"></param>
/// <param name="others"></param>
/// <returns></returns>
public static IEnumerable <T> Union <T>(this IEnumerable <T> @these, Maybe <T> other)
{
Contract.Requires(@these != null);
return(@these.Union(other.ToEnumerable()));
}
/// <summary>
/// Combines the current value, if exists, with passed IEnumerable
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="this"></param>
/// <param name="others"></param>
/// <returns></returns>
public static IEnumerable <T> Union <T>(this Maybe <T> @this, IEnumerable <T> others)
{
Contract.Requires(others != null);
return(@this.ToEnumerable().Union(others));
}
