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#![allow(dead_code)]
struct Events<R>(R);
struct Other;
pub trait Trait<T> {
fn handle(value: T) -> Self;
}
// Blanket impl. (If you comment this out, compiler figures out that it
// is passing an `&mut` to a method that must be expecting an `&mut`,
// and injects an auto-reborrow.)
impl<T, U> Trait<U> for T where T: From<U> {
fn handle(_: U) -> Self { unimplemented!() }
}
impl<'a, R> Trait<&'a mut Events<R>> for Other {
fn handle(_: &'a mut Events<R>) -> Self { unimplemented!() }
}
fn this_compiles<'a, R>(value: &'a mut Events<R>) {
for _ in 0..3 {
Other::handle(&mut *value);
}
}
fn this_does_not<'a, R>(value: &'a mut Events<R>) {
for _ in 0..3 {
Other::handle(value); //~ ERROR use of moved value: `value`
}
}
fn main() {}
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