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variance-btree-invariant-types.rs
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variance-btree-invariant-types.rs
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use std::collections::btree_map::{IterMut, OccupiedEntry, RangeMut, VacantEntry};
fn iter_cov_key<'a, 'new>(v: IterMut<'a, &'static (), ()>) -> IterMut<'a, &'new (), ()> {
v
//~^ lifetime may not live long enough
}
fn iter_cov_val<'a, 'new>(v: IterMut<'a, (), &'static ()>) -> IterMut<'a, (), &'new ()> {
v
//~^ lifetime may not live long enough
}
fn iter_contra_key<'a, 'new>(v: IterMut<'a, &'new (), ()>) -> IterMut<'a, &'static (), ()> {
v
//~^ lifetime may not live long enough
}
fn iter_contra_val<'a, 'new>(v: IterMut<'a, (), &'new ()>) -> IterMut<'a, (), &'static ()> {
v
//~^ lifetime may not live long enough
}
fn range_cov_key<'a, 'new>(v: RangeMut<'a, &'static (), ()>) -> RangeMut<'a, &'new (), ()> {
v
//~^ lifetime may not live long enough
}
fn range_cov_val<'a, 'new>(v: RangeMut<'a, (), &'static ()>) -> RangeMut<'a, (), &'new ()> {
v
//~^ lifetime may not live long enough
}
fn range_contra_key<'a, 'new>(v: RangeMut<'a, &'new (), ()>) -> RangeMut<'a, &'static (), ()> {
v
//~^ lifetime may not live long enough
}
fn range_contra_val<'a, 'new>(v: RangeMut<'a, (), &'new ()>) -> RangeMut<'a, (), &'static ()> {
v
//~^ lifetime may not live long enough
}
fn occ_cov_key<'a, 'new>(v: OccupiedEntry<'a, &'static (), ()>)
-> OccupiedEntry<'a, &'new (), ()> {
v
//~^ lifetime may not live long enough
}
fn occ_cov_val<'a, 'new>(v: OccupiedEntry<'a, (), &'static ()>)
-> OccupiedEntry<'a, (), &'new ()> {
v
//~^ lifetime may not live long enough
}
fn occ_contra_key<'a, 'new>(v: OccupiedEntry<'a, &'new (), ()>)
-> OccupiedEntry<'a, &'static (), ()> {
v
//~^ lifetime may not live long enough
}
fn occ_contra_val<'a, 'new>(v: OccupiedEntry<'a, (), &'new ()>)
-> OccupiedEntry<'a, (), &'static ()> {
v
//~^ lifetime may not live long enough
}
fn vac_cov_key<'a, 'new>(v: VacantEntry<'a, &'static (), ()>)
-> VacantEntry<'a, &'new (), ()> {
v
//~^ lifetime may not live long enough
}
fn vac_cov_val<'a, 'new>(v: VacantEntry<'a, (), &'static ()>)
-> VacantEntry<'a, (), &'new ()> {
v
//~^ lifetime may not live long enough
}
fn vac_contra_key<'a, 'new>(v: VacantEntry<'a, &'new (), ()>)
-> VacantEntry<'a, &'static (), ()> {
v
//~^ lifetime may not live long enough
}
fn vac_contra_val<'a, 'new>(v: VacantEntry<'a, (), &'new ()>)
-> VacantEntry<'a, (), &'static ()> {
v
//~^ lifetime may not live long enough
}
fn main() { }