Rocket/core/codegen/tests/async-entry.rs

95 lines
1.8 KiB
Rust

#![allow(dead_code, unused_variables)]
mod a {
// async launch that is async.
#[rocket::launch]
async fn rocket() -> rocket::Rocket {
let _ = rocket::build().launch().await;
rocket::build()
}
async fn use_it() {
let rocket: rocket::Rocket = rocket().await;
}
}
mod b {
// async launch that isn't async.
#[rocket::launch]
async fn main2() -> rocket::Rocket {
rocket::build()
}
async fn use_it() {
let rocket: rocket::Rocket = main2().await;
}
}
mod b_inferred {
#[rocket::launch]
async fn main2() -> _ { rocket::build() }
async fn use_it() {
let rocket: rocket::Rocket = main2().await;
}
}
mod c {
// non-async launch.
#[rocket::launch]
fn rocket() -> rocket::Rocket {
rocket::build()
}
fn use_it() {
let rocket: rocket::Rocket = rocket();
}
}
mod c_inferred {
#[rocket::launch]
fn rocket() -> _ { rocket::build() }
fn use_it() {
let rocket: rocket::Rocket = rocket();
}
}
mod d {
// main with async, is async.
#[rocket::main]
async fn main() {
let _ = rocket::build().launch().await;
}
}
mod e {
// main with async, isn't async.
#[rocket::main]
async fn main() { }
}
mod f {
// main with async, is async, with termination return.
#[rocket::main]
async fn main() -> Result<(), String> {
let result = rocket::build().launch().await;
result.map_err(|e| e.to_string())
}
}
mod g {
// main with async, isn't async, with termination return.
#[rocket::main]
async fn main() -> Result<(), String> {
Ok(())
}
}
// main with async, is async, with termination return.
#[rocket::main]
async fn main() -> Result<(), String> {
let result = rocket::build().launch().await;
result.map_err(|e| e.to_string())
}