update README.md

YexuanXiao · YexuanXiao · commit 9ed6d070960c · 2024-09-22T10:47:19.000+08:00
diff --git a/README.md b/README.md
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 # basic_string
 
-A fast, clean string implementation, aiming to provide an approximation of std::basic_string using standard C++23 with legal and portable code. The implementation maximum optimizes the short string optimization, and avoids self-referencing. It does not implement: write-out functions, find functions, and interfaces using allocators. The implementation is exception safety and suitable for teaching purposes.
+A fast and clean implementation of basic_string that uses portable C++23 code and accurately meet standard requirements. The implementation maximum optimizes the short string optimization, and avoids self-referencing. It supports constexpr, exception safety and suitable for teaching purposes. It does not implement write-out functions and find functions.

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`1`	`1`	`# basic_string`
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`3`		`-A fast, clean string implementation, aiming to provide an approximation of std::basic_string using standard C++23 with legal and portable code. The implementation maximum optimizes the short string optimization, and avoids self-referencing. It does not implement: write-out functions, find functions, and interfaces using allocators. The implementation is exception safety and suitable for teaching purposes.`
	`3`	`+A fast and clean implementation of basic_string that uses portable C++23 code and accurately meet standard requirements. The implementation maximum optimizes the short string optimization, and avoids self-referencing. It supports constexpr, exception safety and suitable for teaching purposes. It does not implement write-out functions and find functions.`