xboot

English Readme

With the help of linkme, call an asynchronous function to initialize static variables.

You can connect to the database before the program starts and set it as a module-level variable, refer to xkv: redis global connector.

linkme will report an error when linking with rust-lld on Linux Missing symbol on Linux.

Please use mold instead, and configure the environment variables as follows:

export RUSTFLAGS="$RUSTFLAGS -C linker=clang -C link-arg=-fuse-ld=/usr/bin/mold"

中文说明

借助 linkme，调用异步函数初始化静态变量。

可在程序启动之前连上数据库，并设置为一个模块级别的变量，参考 xkv: redis 全局连接器 。

linkme 在 Linux 上用 rust-lld 链接会报错 Missing symbol on Linux

请改用 mold ，配置环境变量如下:

export RUSTFLAGS="$RUSTFLAGS -C linker=clang -C link-arg=-fuse-ld=/usr/bin/mold"

演示代码

use aok::{Result, OK};
use tokio::time::{sleep, Duration};
use tracing::info;

pub struct Client {}

impl Client {
  pub async fn test(&self) {
    info!("client test success");
  }
}

pub async fn connect() -> Result<Client> {
  info!("Sleeping for 3 seconds...");
  sleep(Duration::from_secs(3)).await;
  Ok(Client {})
}

static_::init!(CLIENT: Client {
  connect().await
});

#[tokio::main]
async fn main() -> Result<()> {
  static_::init().await?;
  info!("inited");
  CLIENT.test().await;
  OK
}

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