Constant/zh CN: what changed
Revision 0 to 1. Removed lines have a minus sign; added lines have a plus sign.
Title: Constant/zh CN
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| 1 | + | 什么是 **常量**？ | |
| 2 | + | ||
| 3 | + | 它的值固定不变。 | |
| 4 | + | ||
| 5 | + | 在程序的const部分[[Const/zh CN|定义常量]]。定义的常量，[[Compiler|编译器]]能对它优化处理。 | |
| 6 | + | ||
| 7 | + | 特殊的常量值： | |
| 8 | + | ||
| 9 | + | 逻辑值 | |
| 10 | + | ||
| 11 | + | - [[False/zh CN|False]] | |
| 12 | + | - [[True/zh CN|True]] | |
| 13 | + | ||
| 14 | + | 空指针 | |
| 15 | + | ||
| 16 | + | - [[Nil/zh CN|Nil]] | |
| 17 | + | ||
| 18 | + | 数学常量 | |
| 19 | + | ||
| 20 | + | - [[Pi/zh CN|Pi]] | |
| 21 | + | ||
| 22 | + | ## 更多 | |
| 23 | + | ||
| 24 | + | - [[Basic Pascal Tutorial/Chapter 1/Constants/zh CN|定义常量]] | |
| 25 | + | ||
| 26 | + | --- | |
| 27 | + | *From the Free Pascal wiki, page "Constant/zh CN", as it stood on 2023-01-25 after a change by Kai Burghardt, out of the wiki's dump of 2024-05-26. Copyright stays with the author who wrote it, according to the old wiki's [[Licensing]] page. If you have concerns about this material, [message the admin](/wiki-contact).* |