diff options
Diffstat (limited to 'tests/ui/regions/regions-implied-bounds-projection-gap-2.rs')
-rw-r--r-- | tests/ui/regions/regions-implied-bounds-projection-gap-2.rs | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/tests/ui/regions/regions-implied-bounds-projection-gap-2.rs b/tests/ui/regions/regions-implied-bounds-projection-gap-2.rs new file mode 100644 index 000000000..a481a9cc5 --- /dev/null +++ b/tests/ui/regions/regions-implied-bounds-projection-gap-2.rs @@ -0,0 +1,23 @@ +// Along with the other tests in this series, illustrates the +// "projection gap": in this test, we know that `T: 'x`, and that is +// enough to conclude that `T::Foo: 'x`. + +// check-pass +#![allow(dead_code)] +#![allow(unused_variables)] + +trait Trait1<'x> { + type Foo; +} + +// calling this fn should trigger a check that the type argument +// supplied is well-formed. +fn wf<T>() { } + +fn func<'x, T:Trait1<'x>>(t: &'x T) +{ + wf::<&'x T::Foo>(); +} + + +fn main() { } |