LNumbers := TArray<Integer>.Create(1, 3, 4, 5, 6, 14, 15, 17, 22, 23, 25, 32); FilteredNumbers := TUtil.Filter<Integer>(LNumbers, function (ANumber: Integer): Boolean begin Result := (ANumber mod 3 = 0); end); 

 LWords := TArray<String>.Create('a', 'b', 'c', 'd', 'e'); UpperCaseWords := TUtil.Map<String>(LWords, function (AWord: String): String begin Result := UpperCase(AWord); end ); 

 LScores := TArray<Double>.Create(8.5, 6.5, 7.8, 10); LTotal := TUtil.Reduce<Double>(LScores, function (Acc, Item: Double): Double begin Result := Acc + Item; end, 0); 

 //Find first item which price is equal to 200. LCart := TArray<TItem>.Create( TItem.Create('Bike', 400), TItem.Create('Clock', 15), TItem.Create('Closet', 200), TItem.Create('Cabin', 200), TItem.Create('Stove', 100), TItem.Create('Pots', 20) ); LItem := TUtil.Find<TItem>(LCart, function (Item: TItem): Boolean begin Result := Item.Price = 200; end); 

 LNames := TArray<String>.Create('Samuel', 'Bob', 'Obama', 'Andrew', 'Julia'); LEvery := TUtil.Every<String>(LNames, function (Name: String): Boolean begin Result := Name.ToLower().Contains('a'); end); 

 LNumbers := TArray<Integer>.Create(0, 1, 2, 3, 4); LSome := TUtil.Some<Integer>(LNumbers, function (Number: Integer): Boolean begin Result := Number > 5; end); 

 LNumbers := TArray<Integer>.Create(1, 2, 3, 4, 5); TUtil.ForEach<Integer>(LNumbers, function (Number: Integer): Integer begin Result := Number + 1000; end);