Files
pezkuwi-subxt/polkadot/node/overseer/overseer-gen/tests/ui/err-06-missing-subsystem.rs
T
Vsevolod Stakhov 84f55cc8d5 Create a more rigid overseer builder pattern that fails at compile time (#4753)
Introduces `Missing<Field>` and `Init<Field>` states, that are used in place of builder generics, and make this possible.
2022-02-09 17:01:16 +01:00

62 lines
1.4 KiB
Rust

#![allow(dead_code)]
use polkadot_overseer_gen::*;
#[derive(Default)]
struct AwesomeSubSys;
impl ::polkadot_overseer_gen::Subsystem<OverseerSubsystemContext<MsgStrukt>, OverseerError> for AwesomeSubSys {
fn start(self, _ctx: OverseerSubsystemContext<MsgStrukt>) -> SpawnedSubsystem<OverseerError> {
unimplemented!("starting yay!")
}
}
#[derive(Clone, Debug)]
pub struct SigSigSig;
pub struct Event;
#[derive(Clone, Debug)]
pub struct MsgStrukt(u8);
#[overlord(signal=SigSigSig, error=OverseerError, event=Event, gen=AllMessages)]
struct Overseer {
#[subsystem(no_dispatch, MsgStrukt)]
sub0: AwesomeSubSys,
i_like_pie: f64,
}
#[derive(Debug, Clone)]
pub struct DummySpawner;
impl SpawnNamed for DummySpawner {
fn spawn_blocking(
&self,
task_name: &'static str,
subsystem_name: Option<&'static str>,
_future: futures::future::BoxFuture<'static, ()>,
) {
unimplemented!("spawn blocking {} {}", task_name, subsystem_name.unwrap_or("default"))
}
fn spawn(
&self,
task_name: &'static str,
subsystem_name: Option<&'static str>,
_future: futures::future::BoxFuture<'static, ()>,
) {
unimplemented!("spawn {} {}", task_name, subsystem_name.unwrap_or("default"))
}
}
struct DummyCtx;
fn main() {
let _ = Overseer::builder()
//.sub0(AwesomeSubSys::default()) // Subsystem is uninitialized
.i_like_pie(std::f64::consts::PI)
.spawner(DummySpawner)
.build()
.unwrap();
}