public static T Last <T>(this ImmutableSegmentedList <T> immutableList)
{
// In the event of an empty list, generate the same exception
// that the linq extension method would.
return(immutableList.Count > 0
? immutableList[immutableList.Count - 1]
: Enumerable.Last(immutableList));
}
public static T Last <T>(this ImmutableArray <T> immutableArray)
{
// In the event of an empty array, generate the same exception
// that the linq extension method would.
return(immutableArray.Length > 0
? immutableArray[immutableArray.Length - 1]
: Enumerable.Last(immutableArray.array));
}
public void BlinqShouldEqualLinqNativeArrayLastPredicate([ArrayValues] int[] sourceArr)
{
var source = new NativeArray <int>(sourceArr, Allocator.Persistent);
var expected = ExceptionAndValue(() => Linq.Last(source, EqualsZero.Invoke));
var actual = ExceptionAndValue(() => source.Last(EqualsZero));
AssertAreEqual(expected, actual);
source.Dispose();
}
public void BlinqShouldEqualLinqNativeSequenceLast([ArrayValues] int[] sourceArr)
{
using (var sourceNativeArr = new NativeArray <int>(sourceArr, Allocator.Persistent))
{
var source = sourceNativeArr.ToValueSequence();
var expected = ExceptionAndValue(() => Linq.Last(source));
var actual = ExceptionAndValue(() => source.Last());
AssertAreEqual(expected, actual);
}
}
public static T Last <T>(this ImmutableSegmentedList <T> .Builder builder)
{
if (builder is null)
{
throw new ArgumentNullException(nameof(builder));
}
// In the event of an empty list, generate the same exception
// that the linq extension method would.
return(builder.Count > 0
? builder[builder.Count - 1]
: Enumerable.Last(builder));
}
public void BlinqShouldEqualLinqNativeSequenceRunLastPredicate([ArrayValues] int[] sourceArr)
{
using (var sourceNativeArr = new NativeArray <int>(sourceArr, Allocator.Persistent))
{
var source = sourceNativeArr.ToValueSequence();
var expected = ExceptionAndValue(() => Linq.Last(source, EqualsZero.Invoke));
if (expected.exception != null)
{
return;
}
var actual = ExceptionAndValue(() => source.RunLast(EqualsZero));
AssertAreEqual(expected, actual);
}
}
public void BlinqShouldEqualLinqNativeSequenceScheduleLastOrDefault([ArrayValues] int[] sourceArr)
{
using (var sourceNativeArr = new NativeArray <int>(sourceArr, Allocator.Persistent))
{
var source = sourceNativeArr.ToValueSequence();
var expected = ExceptionAndValue(() => Linq.Last(source));
if (expected.exception != null)
{
return;
}
var actual = ExceptionAndValue(() => source.ScheduleLastOrDefault().Complete());
AssertAreEqual(expected, actual);
}
}
public static TSource Last <TSource>(this IEnumerable <TSource> source, Func <TSource, bool> predicate) => LinqEnumerable.Last(source, predicate);
public static TSource Last <TSource>(this IEnumerable <TSource> source) => LinqEnumerable.Last(source);
