https://wiki.freepascal.org/index.php?title=Basic_Pascal_Tutorial/Chapter_1/Constants/ru&feed=atom&action=history
Basic Pascal Tutorial/Chapter 1/Constants/ru - Revision history
2024-03-28T18:50:03Z
Revision history for this page on the wiki
MediaWiki 1.35.6
https://wiki.freepascal.org/index.php?title=Basic_Pascal_Tutorial/Chapter_1/Constants/ru&diff=153703&oldid=prev
Kai Burghardt: bypass language bar/categorization template redirect [cf. discussion]
2022-08-20T14:16:55Z
<p>bypass language bar/categorization template redirect [cf. <a href="/Special:PermanentLink/149778#Cluttering_of_main_name_space" title="Special:PermanentLink/149778">discussion</a>]</p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 14:16, 20 August 2022</td>
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Kai Burghardt
https://wiki.freepascal.org/index.php?title=Basic_Pascal_Tutorial/Chapter_1/Constants/ru&diff=152922&oldid=prev
Kai Burghardt: bypass redirects [cf. discussion]
2022-08-06T00:16:02Z
<p>bypass redirects [cf. <a href="/Special:PermanentLink/149778#Cluttering_of_main_name_space" title="Special:PermanentLink/149778">discussion</a>]</p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 00:16, 6 August 2022</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><font size="5">Константы</font></div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><font size="5">Константы</font></div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>даст идентификатор '''a''', который содержит вещественное значение 12.0 вместо целого 12.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>даст идентификатор '''a''', который содержит вещественное значение 12.0 вместо целого 12.</div></td></tr>
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Kai Burghardt
https://wiki.freepascal.org/index.php?title=Basic_Pascal_Tutorial/Chapter_1/Constants/ru&diff=150397&oldid=prev
Kai Burghardt: Kai Burghardt moved page Constants/ru to Basic Pascal Tutorial/Chapter 1/Constants/ru: tidy up main name space: create subpage hierarchy for basic Pascal tutorial [cf. [[Special: PermaLink/149778#Clut...
2022-02-03T01:58:05Z
<p>Kai Burghardt moved page <a href="/Constants/ru" class="mw-redirect" title="Constants/ru">Constants/ru</a> to <a href="/Basic_Pascal_Tutorial/Chapter_1/Constants/ru" title="Basic Pascal Tutorial/Chapter 1/Constants/ru">Basic Pascal Tutorial/Chapter 1/Constants/ru</a>: tidy up main name space: create subpage hierarchy for <a href="/Category:Basic_Pascal_Introduction/ru" title="Category:Basic Pascal Introduction/ru">basic Pascal tutorial</a> [cf. [[Special: PermaLink/149778#Clut...</p>
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<td colspan="1" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 01:58, 3 February 2022</td>
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Kai Burghardt
https://wiki.freepascal.org/index.php?title=Basic_Pascal_Tutorial/Chapter_1/Constants/ru&diff=131709&oldid=prev
Trev: Fixed syntax highlighting
2020-02-12T00:17:24Z
<p>Fixed syntax highlighting</p>
<table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface">
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 00:17, 12 February 2020</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l11" >Line 11:</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Константы объявляются в секции констант программы:</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Константы объявляются в секции констант программы:</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><syntaxhighlight></div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><syntaxhighlight <ins class="diffchange diffchange-inline">lang=pascal</ins>></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>const</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>const</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div> Identifier1 = value;</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div> Identifier1 = value;</div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l20" >Line 20:</td>
<td colspan="2" class="diff-lineno">Line 20:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Для примера, давайте объявим несколько констант различных типов данных: строки, символы, целые, вещественные и логические. Эти типы данных будут дополнительно объяснены в следующем разделе.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Для примера, давайте объявим несколько констант различных типов данных: строки, символы, целые, вещественные и логические. Эти типы данных будут дополнительно объяснены в следующем разделе.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><syntaxhighlight></div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><syntaxhighlight <ins class="diffchange diffchange-inline">lang=pascal</ins>></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>const</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>const</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div> Name = 'Tao Yue';</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div> Name = 'Tao Yue';</div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Типизированные константы заставляют константу иметь конкретный тип. Например,</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Типизированные константы заставляют константу иметь конкретный тип. Например,</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><syntaxhighlight></div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><syntaxhighlight <ins class="diffchange diffchange-inline">lang=pascal</ins>></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>const</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>const</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div> a : real = 12;</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div> a : real = 12;</div></td></tr>
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Trev
https://wiki.freepascal.org/index.php?title=Basic_Pascal_Tutorial/Chapter_1/Constants/ru&diff=99580&oldid=prev
FTurtle: Created page with "{{Constants}} {{TYNavigator|Identifiers|Variables_and_Data_Types}} <font size="5">Константы</font> 1C - Constants (author: Tao Yue, state: unchanged) Иденти..."
2016-02-13T17:35:57Z
<p>Created page with "{{Constants}} {{TYNavigator|Identifiers|Variables_and_Data_Types}} <font size="5">Константы</font> 1C - Constants (author: Tao Yue, state: unchanged) Иденти..."</p>
<p><b>New page</b></p><div>{{Constants}}<br />
{{TYNavigator|Identifiers|Variables_and_Data_Types}}<br />
<br />
<font size="5">Константы</font><br />
<br />
1C - Constants (author: Tao Yue, state: unchanged)<br />
<br />
<br />
Идентификаторам, ссылающимся на константы, может быть присвоено только одно значнение в начале программы. Значение, хранящееся в константе, не может быть изменено.<br />
<br />
Константы объявляются в секции констант программы:<br />
<br />
<syntaxhighlight><br />
const<br />
Identifier1 = value;<br />
Identifier2 = value;<br />
Identifier3 = value;<br />
</syntaxhighlight><br />
<br />
Для примера, давайте объявим несколько констант различных типов данных: строки, символы, целые, вещественные и логические. Эти типы данных будут дополнительно объяснены в следующем разделе.<br />
<br />
<syntaxhighlight><br />
const<br />
Name = 'Tao Yue';<br />
FirstLetter = 'a';<br />
Year = 1997;<br />
pi = 3.1415926535897932;<br />
UsingNCSAMosaic = TRUE;<br />
</syntaxhighlight><br />
<br />
Обратите внимание, что в Pascal символы заключаются в апострофы (')! Это контрастирует с более новыми языками, которые часто используют или разрешают кавычки (") или Heredoc-нотацию. Стандартный Pascal не использует и не разрешает кавычки для обозначения символов или строк.<br />
<br />
Константы полезны для определения значения, которое используется в разных местах вашей программы, но может измениться в будущем. Вместо изменения каждого экземпляра значения, вы можете изменить только определение константы.<br />
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Типизированные константы заставляют константу иметь конкретный тип. Например,<br />
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<syntaxhighlight><br />
const<br />
a : real = 12;<br />
</syntaxhighlight><br />
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даст идентификатор '''a''', который содержит вещественное значение 12.0 вместо целого 12.<br />
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