Struct Config 

pub struct Config<'a> {
    pub package: &'a str,
    pub version: &'a str,
    pub repo: &'a [&'static str],
    pub download_dir: Option<&'a str>,
    pub timeout: Option<Duration>,
}

配置结构体，用于指定要获取的包信息

Fields

package: &'a str

包名

version: &'a str

期望的版本号（semver 格式）

repo: &'a [&'static str]

仓库 URL 列表，按优先级排序

download_dir: Option<&'a str>

下载文件夹地址，None 表示使用系统临时目录

timeout: Option<Duration>

超时时间（秒），None 表示使用默认的 30 秒

Trait Implementations

impl<'a> Clone for Config<'a>

fn clone(&self) -> Config<'a>

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<'a> Debug for Config<'a>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.