/// <summary>Converts all the elements of a sequence</summary>
/// <returns>New sequence with all the converted elements</returns>
public static IEnumerable <R> ConvertAll <T, R>([NotNull] this IFdbConverter <T, R> converter, [NotNull] IEnumerable <T> items)
{
if (converter == null)
{
throw new ArgumentNullException("converter");
}
if (items == null)
{
throw new ArgumentNullException("items");
}
foreach (var item in items)
{
yield return(converter.Convert(item));
}
}
/// <summary>Registers a new type converter</summary>
/// <typeparam name="T">Source type</typeparam>
/// <typeparam name="R">Destination type</typeparam>
/// <param name="converter">Instance that can convert values of type <typeparamref name="T"/> into a values of type <typeparamref name="R"/></param>
public static void Register <T, R>([NotNull] IFdbConverter <T, R> converter)
{
if (converter == null)
{
throw new ArgumentNullException("converter");
}
while (true)
{
var previous = Converters;
var dic = new Dictionary <ComparisonHelper.TypePair, IFdbConverter>(previous, previous.Comparer);
dic[new ComparisonHelper.TypePair(typeof(T), typeof(R))] = converter;
if (Interlocked.CompareExchange(ref Converters, dic, previous) == previous)
{
break;
}
}
}
public static R[] ConvertAll <T, R>([NotNull] this IFdbConverter <T, R> converter, [NotNull] T[] items)
{
if (converter == null)
{
throw new ArgumentNullException("converter");
}
if (items == null)
{
throw new ArgumentNullException("items");
}
var results = new R[items.Length];
for (int i = 0; i < items.Length; i++)
{
results[i] = converter.Convert(items[i]);
}
return(results);
}
public static List <R> ConvertAll <T, R>([NotNull] this IFdbConverter <T, R> converter, [NotNull] List <T> items)
{
if (converter == null)
{
throw new ArgumentNullException("converter");
}
if (items == null)
{
throw new ArgumentNullException("items");
}
#if CORE_CLR
var list = new List <R>(items.Count);
foreach (var item in items)
{
list.Add(converter.Convert(item));
}
return(list);
#else
return(items.ConvertAll <R>(converter.Convert));
#endif
}
