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zh-CN: translate basic-syntax/static-and-const.md (#877)

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* zh-CN: translate basic-syntax/static-and-const.md

* Fix build error

* Update po/zh-CN.po to commit suggestions

Co-authored-by: Anlun Xu <anlunx@google.com>

---------

Co-authored-by: Anlun Xu <anlunx@google.com>
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Doris-Ge 2023-07-12 01:30:05 +08:00 committed by GitHub
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@ -2265,7 +2265,6 @@ msgstr ""
"* 在需要处理可变数量的参数的情况下，Rust 使用宏（没有函数[重载](basic-syntax/functions-interlude.md)）。\n"
"* 宏是“卫生的”意味着它们不会意外地捕获它们所在作用域中的标识符。Rust 的宏实际上只是[部分卫生](https://veykril.github.io/tlborm/decl-macros/minutiae/hygiene.html)。"
#: src/hello-world/small-example.md:1
msgid "# Small Example"
msgstr "# 简短示例"
@ -3862,19 +3861,19 @@ msgstr ""
#: src/basic-syntax/static-and-const.md:1
msgid "# Static and Constant Variables"
msgstr ""
msgstr "# 静态 (Static) 变量和常数 (Constant) 变量"
#: src/basic-syntax/static-and-const.md:3
msgid "Global state is managed with static and constant variables."
msgstr ""
msgstr "全局的状态是由静态变量和常数变量来管理的。"
#: src/basic-syntax/static-and-const.md:5
msgid "## `const`"
msgstr ""
msgstr "## `const`"
#: src/basic-syntax/static-and-const.md:7
msgid "You can declare compile-time constants:"
msgstr ""
msgstr "你可以声明编译期 (compile-time) 常量："
#: src/basic-syntax/static-and-const.md:9
msgid ""
@ -3897,18 +3896,36 @@ msgid ""
"}\n"
"```"
msgstr ""
"```rust,editable\n"
"const DIGEST_SIZE: usize = 3;\n"
"const ZERO: Option<u8> = Some(42);\n"
"\n"
"fn compute_digest(text: &str) -> [u8; DIGEST_SIZE] {\n"
" let mut digest = [ZERO.unwrap_or(0); DIGEST_SIZE];\n"
" for (idx, &b) in text.as_bytes().iter().enumerate() {\n"
" digest[idx % DIGEST_SIZE] = digest[idx % DIGEST_SIZE]."
"wrapping_add(b);\n"
" }\n"
" digest\n"
"}\n"
"\n"
"fn main() {\n"
" let digest = compute_digest(\"Hello\");\n"
" println!(\"Digest: {digest:?}\");\n"
"}\n"
"```"
#: src/basic-syntax/static-and-const.md:27
msgid "According to the [Rust RFC Book][1] these are inlined upon use."
msgstr ""
msgstr "根据 [Rust RFC Book][1] 这些变量在使用时是内联 (inlined) 的。"
#: src/basic-syntax/static-and-const.md:29
msgid "## `static`"
msgstr ""
msgstr "## `static`"
#: src/basic-syntax/static-and-const.md:31
msgid "You can also declare static variables:"
msgstr ""
msgstr "你也可以声明静态变量："
#: src/basic-syntax/static-and-const.md:33
msgid ""
@ -3920,6 +3937,13 @@ msgid ""
"}\n"
"```"
msgstr ""
"```rust,editable\n"
"static BANNER: &str = \"Welcome to RustOS 3.14\";\n"
"\n"
"fn main() {\n"
" println!(\"{BANNER}\");\n"
"}\n"
"```"
#: src/basic-syntax/static-and-const.md:41
msgid ""
@ -3928,12 +3952,16 @@ msgid ""
"embedded code, and the variable lives through the entirety of the program "
"execution."
msgstr ""
"正如 [Rust RFC Book][1] 中所述，这些变量在使用时并不是内联的，"
"而且还具有实际相关联的内存位置。这对于不安全的嵌入式代码是有用的，"
"并且这些变量存在于整个程序的执行过程之中。"
#: src/basic-syntax/static-and-const.md:44
msgid ""
"We will look at mutating static data in the [chapter on Unsafe Rust](../"
"unsafe.md)."
msgstr ""
"我们会在[关于不安全的Rust的章节](../unsafe.md)中研究改变静态数据。"
#: src/basic-syntax/static-and-const.md:48
msgid ""
@ -3943,6 +3971,10 @@ msgid ""
"* It isn't super common that one would need a runtime evaluated constant, "
"but it is helpful and safer than using a static."
msgstr ""
"* 值得一提的是，`const` 在语义上与C++的 `constexpr` 类似。\n"
"* 另一方面，`static` 远远更类似于C++中的 `const` 或可改变的全局变量。\n"
"* 虽然需要使用在运行中求值的常量的情况并不是很常见，但是它是有帮助的，"
"而且比使用静态变量更安全。"
#: src/basic-syntax/scopes-shadowing.md:1
msgid "# Scopes and Shadowing"