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use std::marker::PhantomData;
struct Foo<'a, 'b, T>(PhantomData<(&'a (), &'b (), T)>)
where
Foo<'short, 'out, T>: Convert<'a, 'b>;
//~^ ERROR use of undeclared lifetime name
//~| ERROR use of undeclared lifetime name `'out`
trait Convert<'a, 'b>: Sized {
fn cast(&'a self) -> &'b Self;
}
impl<'long: 'short, 'short, T> Convert<'long, 'b> for Foo<'short, 'out, T> {
//~^ ERROR use of undeclared lifetime name
//~^^ ERROR use of undeclared lifetime name `'out`
fn cast(&'long self) -> &'short Foo<'short, 'out, T> {
//~^ ERROR use of undeclared lifetime name
self
}
}
fn badboi<'in_, 'out, T>(x: Foo<'in_, 'out, T>, sadness: &'in_ Foo<'short, 'out, T>) -> &'out T {
//~^ ERROR use of undeclared lifetime name
sadness.cast() //~ ERROR mismatched types
}
fn main() {}
|
