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use axum::{async_trait, extract::FromRequestParts, http::request::Parts, response::IntoResponse};
use axum_macros::debug_handler;
fn main() {}
#[debug_handler]
fn concrete_future() -> std::future::Ready<Result<impl IntoResponse, ()>> {
std::future::ready(Ok(()))
}
#[debug_handler]
fn impl_future() -> impl std::future::Future<Output = Result<impl IntoResponse, ()>> {
std::future::ready(Ok(()))
}
// === no args ===
#[debug_handler]
async fn handler_no_arg_one() -> Result<impl IntoResponse, ()> {
Ok(())
}
#[debug_handler]
async fn handler_no_arg_two() -> Result<(), impl IntoResponse> {
Err(())
}
#[debug_handler]
async fn handler_no_arg_three() -> Result<impl IntoResponse, impl IntoResponse> {
Ok::<_, ()>(())
}
#[debug_handler]
async fn handler_no_arg_four() -> Result<impl IntoResponse, impl IntoResponse> {
Err::<(), _>(())
}
// === args ===
#[debug_handler]
async fn handler_one(foo: String) -> Result<impl IntoResponse, ()> {
dbg!(foo);
Ok(())
}
#[debug_handler]
async fn handler_two(foo: String) -> Result<(), impl IntoResponse> {
dbg!(foo);
Err(())
}
#[debug_handler]
async fn handler_three(foo: String) -> Result<impl IntoResponse, impl IntoResponse> {
dbg!(foo);
Ok::<_, ()>(())
}
#[debug_handler]
async fn handler_four(foo: String) -> Result<impl IntoResponse, impl IntoResponse> {
dbg!(foo);
Err::<(), _>(())
}
// === no args with receiver ===
struct A;
impl A {
#[debug_handler]
async fn handler_no_arg_one(self) -> Result<impl IntoResponse, ()> {
Ok(())
}
#[debug_handler]
async fn handler_no_arg_two(self) -> Result<(), impl IntoResponse> {
Err(())
}
#[debug_handler]
async fn handler_no_arg_three(self) -> Result<impl IntoResponse, impl IntoResponse> {
Ok::<_, ()>(())
}
#[debug_handler]
async fn handler_no_arg_four(self) -> Result<impl IntoResponse, impl IntoResponse> {
Err::<(), _>(())
}
}
// === args with receiver ===
impl A {
#[debug_handler]
async fn handler_one(self, foo: String) -> Result<impl IntoResponse, ()> {
dbg!(foo);
Ok(())
}
#[debug_handler]
async fn handler_two(self, foo: String) -> Result<(), impl IntoResponse> {
dbg!(foo);
Err(())
}
#[debug_handler]
async fn handler_three(self, foo: String) -> Result<impl IntoResponse, impl IntoResponse> {
dbg!(foo);
Ok::<_, ()>(())
}
#[debug_handler]
async fn handler_four(self, foo: String) -> Result<impl IntoResponse, impl IntoResponse> {
dbg!(foo);
Err::<(), _>(())
}
}
#[async_trait]
impl<S> FromRequestParts<S> for A
where
S: Send + Sync,
{
type Rejection = ();
async fn from_request_parts(_parts: &mut Parts, _state: &S) -> Result<Self, Self::Rejection> {
unimplemented!()
}
}
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