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//@ edition: 2021
#![feature(impl_trait_in_bindings)]
struct FooS {
precise: i32,
}
fn ref_inside_mut(f: &mut &FooS) {
let x: impl Fn() -> _ = async move || {
let y = &f.precise;
};
}
fn mut_inside_ref(f: &&mut FooS) {
let x: impl Fn() -> _ = async move || {
let y = &f.precise;
};
}
// Expected to fail, no immutable reference here.
fn mut_ref_inside_mut(f: &mut &mut FooS) {
let x: impl Fn() -> _ = async move || {
//~^ ERROR async closure does not implement `Fn`
let y = &f.precise;
};
}
fn ref_inside_box(f: Box<&FooS>) {
let x: impl Fn() -> _ = async move || {
let y = &f.precise;
};
}
fn box_inside_ref(f: &Box<FooS>) {
let x: impl Fn() -> _ = async move || {
let y = &f.precise;
};
}
// Expected to fail, no immutable reference here.
fn box_inside_box(f: Box<Box<FooS>>) {
let x: impl Fn() -> _ = async move || {
//~^ ERROR async closure does not implement `Fn`
let y = &f.precise;
};
}
fn main() {}
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