takeLast

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richardszalay edited this page Sep 14, 2010 · 8 revisions

Takes only the last set number of values from a source sequence

function takeLast(count : uint)

Remarks

The returned sequence completes when the source sequence completes.

The returned sequence errors when the source sequences errors

Marble Diagrams

xs  --o--o--o--o--/
      0  1  2  3  |
                  |
ys  --------------o-o-o-/
                  1 2 3

Return Value

IObservable.<sourceType>

Examples

Observable.range(0, 5)
    .takeLast(3)
    .subscribeFunc(function(value : int) : void
    {
        trace(value);
    });

    // Trace output is:
    // 2
    // 3
    // 4