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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/traits/object/generics.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/test/ui/traits/object/generics.rs | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/test/ui/traits/object/generics.rs b/src/test/ui/traits/object/generics.rs new file mode 100644 index 000000000..5a4a6aecc --- /dev/null +++ b/src/test/ui/traits/object/generics.rs @@ -0,0 +1,41 @@ +// run-pass +// test for #8664 + +use std::marker; + +pub trait Trait2<A> { + fn doit(&self) -> A; +} + +pub struct Impl<A1, A2, A3> { + m1: marker::PhantomData<(A1,A2,A3)>, + /* + * With A2 we get the ICE: + * task <unnamed> failed at 'index out of bounds: the len is 1 but the index is 1', + * src/librustc/middle/subst.rs:58 + */ + t: Box<dyn Trait2<A2>+'static> +} + +impl<A1, A2, A3> Impl<A1, A2, A3> { + pub fn step(&self) { + self.t.doit(); + } +} + +// test for #8601 + +enum Type<T> { Constant(#[allow(unused_tuple_struct_fields)] T) } + +trait Trait<K,V> { + fn method(&self, _: Type<(K,V)>) -> isize; +} + +impl<V> Trait<u8,V> for () { + fn method(&self, _x: Type<(u8,V)>) -> isize { 0 } +} + +pub fn main() { + let a = Box::new(()) as Box<dyn Trait<u8, u8>>; + assert_eq!(a.method(Type::Constant((1, 2))), 0); +} |