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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-19 09:26:03 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-19 09:26:03 +0000 |
commit | 9918693037dce8aa4bb6f08741b6812923486c18 (patch) | |
tree | 21d2b40bec7e6a7ea664acee056eb3d08e15a1cf /tests/ui/traits/next-solver/projection | |
parent | Releasing progress-linux version 1.75.0+dfsg1-5~progress7.99u1. (diff) | |
download | rustc-9918693037dce8aa4bb6f08741b6812923486c18.tar.xz rustc-9918693037dce8aa4bb6f08741b6812923486c18.zip |
Merging upstream version 1.76.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/traits/next-solver/projection')
-rw-r--r-- | tests/ui/traits/next-solver/projection/param-env-trait-candidate-1.rs | 14 | ||||
-rw-r--r-- | tests/ui/traits/next-solver/projection/param-env-trait-candidate-2.rs | 29 |
2 files changed, 43 insertions, 0 deletions
diff --git a/tests/ui/traits/next-solver/projection/param-env-trait-candidate-1.rs b/tests/ui/traits/next-solver/projection/param-env-trait-candidate-1.rs new file mode 100644 index 000000000..b337c0673 --- /dev/null +++ b/tests/ui/traits/next-solver/projection/param-env-trait-candidate-1.rs @@ -0,0 +1,14 @@ +// check-pass +// compile-flags: -Znext-solver + +// See https://github.com/rust-lang/trait-system-refactor-initiative/issues/1 +// a minimization of a pattern in core. +fn next<T: Iterator<Item = U>, U>(t: &mut T) -> Option<U> { + t.next() +} + +fn foo<T: Iterator>(t: &mut T) { + let _: Option<T::Item> = next(t); +} + +fn main() {} diff --git a/tests/ui/traits/next-solver/projection/param-env-trait-candidate-2.rs b/tests/ui/traits/next-solver/projection/param-env-trait-candidate-2.rs new file mode 100644 index 000000000..db8dc1eb9 --- /dev/null +++ b/tests/ui/traits/next-solver/projection/param-env-trait-candidate-2.rs @@ -0,0 +1,29 @@ +// check-pass +// compile-flags: -Znext-solver + +// See https://github.com/rust-lang/trait-system-refactor-initiative/issues/1, +// a minimization of a pattern in core. + +trait Iterator { + type Item; +} + +struct Flatten<I>(I); + +impl<I, U> Iterator for Flatten<I> +where + I: Iterator<Item = U>, +{ + type Item = U; +} + +fn needs_iterator<I: Iterator>() {} + +fn environment<J>() +where + J: Iterator, +{ + needs_iterator::<Flatten<J>>(); +} + +fn main() {} |