diff options
Diffstat (limited to 'src/test/ui/hr-subtype/hr-subtype.free_inv_x_vs_free_inv_y.stderr')
| -rw-r--r-- | src/test/ui/hr-subtype/hr-subtype.free_inv_x_vs_free_inv_y.stderr | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/src/test/ui/hr-subtype/hr-subtype.free_inv_x_vs_free_inv_y.stderr b/src/test/ui/hr-subtype/hr-subtype.free_inv_x_vs_free_inv_y.stderr new file mode 100644 index 000000000..31d36d716 --- /dev/null +++ b/src/test/ui/hr-subtype/hr-subtype.free_inv_x_vs_free_inv_y.stderr @@ -0,0 +1,42 @@ +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 + |