/// <summary>
/// Potentially runs an action taking the potential value's value.
/// No effect if the potential value is no value.
/// Returns an IMayHaveValue that has a value iff the action was run.
/// </summary>
public static IMayHaveValue IfHasValueThenDo <T>(this May <T> potentialValue, Action <T> hasValueAction)
{
if (hasValueAction == null)
{
throw new ArgumentNullException("hasValueAction");
}
return(potentialValue.Select(e => {
hasValueAction(e);
return 0;
}));
}
///<summary>Returns the value contained in the given potential value as a nullable type, returning null if there is no contained value.</summary>
public static T?AsNullable <T>(this May <T> potentialValue) where T : struct
{
return(potentialValue.Select(e => (T?)e).ElseDefault());
}