rust/tests/ui/dropck/explicit-implied-outlives.rs

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2023-04-21 13:04:39 -05:00
// revisions: good1 good2 bad1 bad2
//[good1] check-pass
//[good2] check-pass
use std::ops::Drop;
struct DropMe<'a, T>(&'a T);
#[cfg(good1)]
impl<'a, T> Drop for DropMe<'a, T>
where
T: 'a, // Implied by struct, explicit on impl
{
fn drop(&mut self) {}
}
#[cfg(good2)]
impl<'a, T> Drop for DropMe<'a, T>
where
'static: 'a, // Trivial bound
{
fn drop(&mut self) {}
}
#[cfg(bad1)]
impl<'a, T> Drop for DropMe<'a, T>
where
T: 'static,
//[bad1]~^ ERROR `Drop` impl requires `T: 'static`
{
fn drop(&mut self) {}
}
#[cfg(bad2)]
impl<'a, T> Drop for DropMe<'a, T>
where
'a: 'static,
//[bad2]~^ ERROR `Drop` impl requires `'a: 'static`
{
fn drop(&mut self) {}
}
fn main() {}