public static IEnumerable <T> WhileOk <T>(this IEnumerable <T> collection)
{
foreach (var item in collection)
{
if (CancellationTokenExtensions.GetCancellationToken().IsCancellationRequested)
{
break;
}
yield return(item);
}
}
public static TResult Maybe <T, TResult>(this T obj, Func <T, TResult> rewriter, TResult defaultValue = default(TResult))
{
CancellationTokenExtensions.ThrowOnCancellation();
if (obj == null)
{
return(defaultValue);
}
else
{
return(rewriter(obj));
}
}
public static T As <T>(this object obj) where T : class
{
CancellationTokenExtensions.ThrowOnCancellation();
return(obj as T);
}
public static bool In <T>(this T obj, params T[] collection)
{
CancellationTokenExtensions.ThrowOnCancellation();
return(collection.Contains(obj));
}
public static T Unless <T>(this T obj, Predicate <T> condition) where T : class
{
CancellationTokenExtensions.ThrowOnCancellation();
return(condition(obj) ? null : obj);
}
public static T If <T>(this T obj, bool condition, Func <T, T> rewriter)
{
CancellationTokenExtensions.ThrowOnCancellation();
return(condition ? rewriter(obj) : obj);
}
public static T F <T>(this T obj, Action <T> rewriter)
{
CancellationTokenExtensions.ThrowOnCancellation();
rewriter(obj);
return(obj);
}
public static TResult F <T, TResult>(this T obj, Func <T, TResult> rewriter)
{
CancellationTokenExtensions.ThrowOnCancellation();
return(rewriter(obj));
}