public void SelectFiltered()
{
int[] numbers = { 5, 4, 1, 3, 9, 8, 6, 7, 2, 0 };
string[] digits = { "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine" };
var fastCollection = numbers
.AddIndex(x => x, new RedBlackTreeIndexFactory())
.Build();
var res = fastCollection.Where(x => x < 5).Select(x => digits[x]).ToArray();
CollectionAssert.AreEqual(new[] { "four", "one", "three", "two", "zero" }, res);
}
public void Test1()
{
var fastCollection = _data
.AddIndex(x => x.A, new RedBlackTreeIndexFactory(), new HashTableIndexFactory())
.AddIndex(x => x.B, new RedBlackTreeIndexFactory())
.AddIndex(x => x.A + x.B, new RedBlackTreeIndexFactory())
.Build();
var t = fastCollection
.Where(x => x.A > 4)
.Select(x => x.C)
.Where(x => x.D > 2)
.Select(x => x.E + x.D)
.ToArray();
}