1 unstable release
0.9.0 | Oct 22, 2024 |
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#380 in Procedural macros
192 downloads per month
42KB
930 lines
Predawn
predawn
is a Rust web framework like Spring Boot
.
use predawn::{
app::{run_app, Hooks},
controller,
};
use rudi::Singleton;
struct App;
impl Hooks for App {}
#[tokio::main]
async fn main() {
run_app::<App>().await;
}
#[derive(Clone)]
#[Singleton]
struct Controller;
#[controller]
impl Controller {
#[endpoint(paths = ["/"], methods = [post])]
async fn hello(&self, name: String) -> String {
format!("Hello {name}")
}
}
Features
- Built-in OpenAPI support.
- Automatic dependency injection.
- Programmable configuration.
More examples can be found in the examples directories.
More complex example
use std::sync::Arc;
use async_trait::async_trait;
use predawn::{
app::{run_app, Hooks},
controller,
};
use rudi::Singleton;
struct App;
impl Hooks for App {}
#[tokio::main]
async fn main() {
run_app::<App>().await;
}
#[async_trait]
trait Service: Send + Sync {
fn arc(self) -> Arc<dyn Service>
where
Self: Sized + 'static,
{
Arc::new(self)
}
async fn hello(&self) -> String;
}
#[derive(Clone)]
#[Singleton(binds = [Service::arc])]
struct ServiceImpl;
#[async_trait]
impl Service for ServiceImpl {
async fn hello(&self) -> String {
"Hello, World!".to_string()
}
}
#[derive(Clone)]
#[Singleton]
struct Controller {
svc: Arc<dyn Service>,
}
#[controller]
impl Controller {
#[endpoint(paths = ["/"], methods = [GET])]
async fn hello(&self) -> String {
self.svc.hello().await
}
}
Credits
Dependencies
~0.4–0.8MB
~19K SLoC