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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/rust-2021/future-prelude-collision-unneeded.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/rust-2021/future-prelude-collision-unneeded.rs')
-rw-r--r-- | tests/ui/rust-2021/future-prelude-collision-unneeded.rs | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/tests/ui/rust-2021/future-prelude-collision-unneeded.rs b/tests/ui/rust-2021/future-prelude-collision-unneeded.rs new file mode 100644 index 000000000..247d5884b --- /dev/null +++ b/tests/ui/rust-2021/future-prelude-collision-unneeded.rs @@ -0,0 +1,60 @@ +// edition:2018 +// check-pass +#![allow(unused)] +#![deny(rust_2021_prelude_collisions)] + +struct S; + +impl S { + fn try_into(self) -> S { + S + } +} + +struct X; + +trait Hey { + fn from_iter(_: i32) -> Self; +} + +impl Hey for X { + fn from_iter(_: i32) -> Self { + X + } +} + +struct Y<T>(T); + +impl Hey for Y<i32> { + fn from_iter(_: i32) -> Self { + Y(0) + } +} + +struct Z<T>(T); + +impl Hey for Z<i32> { + fn from_iter(_: i32) -> Self { + Z(0) + } +} + +impl std::iter::FromIterator<u32> for Z<u32> { + fn from_iter<T: IntoIterator<Item = u32>>(_: T) -> Self { + todo!() + } +} + +fn main() { + // See https://github.com/rust-lang/rust/issues/86633 + let s = S; + let s2 = s.try_into(); + + // Check that we do not issue suggestions for types that do not implement `FromIter`. + // + // See https://github.com/rust-lang/rust/issues/86902 + X::from_iter(1); + Y::from_iter(1); + Y::<i32>::from_iter(1); + Z::<i32>::from_iter(1); +} |