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error: lifetime may not live long enough
--> $DIR/hr-subtype.rs:48:13
|
LL | fn subtype<'x, 'y: 'x, 'z: 'y>() {
| -- -- lifetime `'y` defined here
| |
| lifetime `'x` defined here
LL | gimme::<$t2>(None::<$t1>);
| ^^^^^^^^^^^^^^^^^^^^^^^^^ argument requires that `'x` must outlive `'y`
...
LL | / check! { free_inv_x_vs_free_inv_y: (fn(Inv<'x>),
LL | | fn(Inv<'y>)) }
| |______________- in this macro invocation
|
= help: consider adding the following bound: `'x: 'y`
= note: requirement occurs because of the type `Inv<'_>`, which makes the generic argument `'_` invariant
= note: the struct `Inv<'a>` is invariant over the parameter `'a`
= help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance
= note: this error originates in the macro `check` (in Nightly builds, run with -Z macro-backtrace for more info)
error: lifetime may not live long enough
--> $DIR/hr-subtype.rs:54:13
|
LL | fn supertype<'x, 'y: 'x, 'z: 'y>() {
| -- -- lifetime `'y` defined here
| |
| lifetime `'x` defined here
LL | gimme::<$t1>(None::<$t2>);
| ^^^^^^^^^^^^^^^^^^^^^^^^^ argument requires that `'x` must outlive `'y`
...
LL | / check! { free_inv_x_vs_free_inv_y: (fn(Inv<'x>),
LL | | fn(Inv<'y>)) }
| |______________- in this macro invocation
|
= help: consider adding the following bound: `'x: 'y`
= note: requirement occurs because of the type `Inv<'_>`, which makes the generic argument `'_` invariant
= note: the struct `Inv<'a>` is invariant over the parameter `'a`
= help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance
= note: this error originates in the macro `check` (in Nightly builds, run with -Z macro-backtrace for more info)
error: aborting due to 2 previous errors
|