27 lines
1.5 KiB
HTML
27 lines
1.5 KiB
HTML
<html><head><object type="application/x-oleobject" classid="clsid:1e2a7bd0-dab9-11d0-b93a-00c04fc99f9e">
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<param name="Keyword" value="Count">
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</object><meta http-equiv="Content-Type" content="text/html; charset=windows-1251"><title></title><link rel="StyleSheet" href="../../../default.css"></head>
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<body>
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<H1>Ìåòîäû Count</H1><h2>Îïèñàíèå ìåòîäîâ</h2><p>Ìåòîäû ïðèâåäåíû äëÿ ïîñëåäîâàòåëüíîñòè <code><b>sequence of</b> T</code>.</p><table>
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<tr><td>
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<code><b>function </b>Count(): integer;</code>
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<br> Âîçâðàùàåò êîëè÷åñòâî ýëåìåíòîâ â ïîñëåäîâàòåëüíîñòè.
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</td></tr>
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<tr><td>
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<code><b>function </b>Count(predicate: T->boolean): integer;</code>
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<br> Âîçâðàùàåò ÷èñëî, ïðåäñòàâëÿþùåå êîëè÷åñòâî ýëåìåíòîâ ïîñëåäîâàòåëüíîñòè, óäîâëåòâîðÿþùèõ çàäàííîìó óñëîâèþ.
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</td></tr>
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<tr><td>
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<code><b>function </b>LongCount(): int64;</code>
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<br> Âîçâðàùàåò çíà÷åíèå òèïà Int64, ïðåäñòàâëÿþùåå îáùåå ÷èñëî ýëåìåíòîâ â ïîñëåäîâàòåëüíîñòè.
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</td></tr>
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<tr><td>
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<code><b>function </b>LongCount(predicate: T->boolean): int64;</code>
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<br> Âîçâðàùàåò çíà÷åíèå òèïà Int64, ïðåäñòàâëÿþùåå ÷èñëî ýëåìåíòîâ ïîñëåäîâàòåëüíîñòè, óäîâëåòâîðÿþùèõ çàäàííîìó óñëîâèþ.
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</td></tr>
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</table>
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<h2>Ïðèìåð </h2><blockquote><code><strong>begin</strong><br> <strong>var</strong>
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a := Lst(1,3,5,6);<br> Println(a.Count(x -> x mod 2 <> 0)); // 3<br>
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<strong>end</strong>.</code></blockquote>
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</body>
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