rust/src/test/ui/borrowck/issue-82126-mismatched-subst-and-hir.rs
Oli Scherer b952ada0ae Use ty::Error for opaque types with errors in its bounds.
This reduces unhelpful diagnostics down the road.
2021-09-20 14:15:36 +00:00

25 lines
608 B
Rust

// Regression test for #82126. Checks that mismatched lifetimes and types are
// properly handled.
// edition:2018
use std::sync::Mutex;
struct MarketMultiplier {}
impl MarketMultiplier {
fn buy(&mut self) -> &mut usize {
todo!()
}
}
async fn buy_lock(generator: &Mutex<MarketMultiplier>) -> LockedMarket<'_> {
//~^ ERROR this struct takes 0 lifetime arguments but 1 lifetime argument was supplied
//~^^ ERROR this struct takes 1 generic argument but 0 generic arguments were supplied
LockedMarket(generator.lock().unwrap().buy())
}
struct LockedMarket<T>(T);
fn main() {}