Unnamed repository; edit this file 'description' to name the repository.
| -rw-r--r-- | crates/hir-ty/src/tests/regression/new_solver.rs | 52 | ||||
| -rw-r--r-- | crates/ide-diagnostics/src/handlers/mismatched_arg_count.rs | 23 | ||||
| -rw-r--r-- | crates/ide/src/goto_definition.rs | 64 |
3 files changed, 139 insertions, 0 deletions
diff --git a/crates/hir-ty/src/tests/regression/new_solver.rs b/crates/hir-ty/src/tests/regression/new_solver.rs index 5983ec7647..f8b73cd505 100644 --- a/crates/hir-ty/src/tests/regression/new_solver.rs +++ b/crates/hir-ty/src/tests/regression/new_solver.rs @@ -472,3 +472,55 @@ where "#, ); } + +#[test] +fn regression_16282() { + check_infer( + r#" +//- minicore: coerce_unsized, dispatch_from_dyn +trait MapLookup<Q> { + type MapValue; +} + +impl<K> MapLookup<K> for K { + type MapValue = K; +} + +trait Map: MapLookup<<Self as Map>::Key> { + type Key; +} + +impl<K> Map for K { + type Key = K; +} + + +fn main() { + let _ = &() + as &dyn Map<Key=u32,MapValue=u32>; +} +"#, + expect![[r#" + 210..272 '{ ...32>; }': () + 220..221 '_': &'? (dyn Map<MapValue = u32, Key = u32> + '?) + 224..227 '&()': &'? () + 224..269 '&() ...e=u32>': &'? (dyn Map<MapValue = u32, Key = u32> + 'static) + 225..227 '()': () + "#]], + ); +} + +#[test] +fn regression_18692() { + check_no_mismatches( + r#" +//- minicore: coerce_unsized, dispatch_from_dyn, send +trait Trait: Send {} + +fn f(_: *const (dyn Trait + Send)) {} +fn g(it: *const (dyn Trait)) { + f(it); +} +"#, + ); +} diff --git a/crates/ide-diagnostics/src/handlers/mismatched_arg_count.rs b/crates/ide-diagnostics/src/handlers/mismatched_arg_count.rs index 25c1e633ba..4ed71f0d3f 100644 --- a/crates/ide-diagnostics/src/handlers/mismatched_arg_count.rs +++ b/crates/ide-diagnostics/src/handlers/mismatched_arg_count.rs @@ -488,4 +488,27 @@ fn foo((): (), (): ()) { "#, ); } + + #[test] + fn regression_17233() { + check_diagnostics( + r#" +pub trait A { + type X: B; +} +pub trait B: A { + fn confused_name(self, _: i32); +} + +pub struct Foo; +impl Foo { + pub fn confused_name(&self) {} +} + +pub fn repro<T: A>() { + Foo.confused_name(); +} +"#, + ); + } } diff --git a/crates/ide/src/goto_definition.rs b/crates/ide/src/goto_definition.rs index e335989ab2..0ee9795af5 100644 --- a/crates/ide/src/goto_definition.rs +++ b/crates/ide/src/goto_definition.rs @@ -4015,4 +4015,68 @@ fn bar() { "##, ); } + + #[test] + fn regression_20038() { + check( + r#" +//- minicore: clone, fn +struct Map<Fut, F>(Fut, F); + +struct InspectFn<F>(F); + +trait FnOnce1<A> { + type Output; +} + +trait Future1 { + type Output; +} + +trait FusedFuture1: Future1 { + fn is_terminated(&self) -> bool; + //^^^^^^^^^^^^^ +} + +impl<T, A, R> FnOnce1<A> for T +where + T: FnOnce(A) -> R, +{ + type Output = R; +} + +impl<F, A> FnOnce1<A> for InspectFn<F> +where + F: for<'a> FnOnce1<&'a A, Output = ()>, +{ + type Output = A; +} + +impl<Fut, F, T> Future1 for Map<Fut, F> +where + Fut: Future1, + F: FnOnce1<Fut::Output, Output = T>, +{ + type Output = T; +} + +impl<Fut, F, T> FusedFuture1 for Map<Fut, F> +where + Fut: Future1, + F: FnOnce1<Fut::Output, Output = T>, +{ + fn is_terminated(&self) -> bool { + false + } +} + +fn overflows<Fut, F>(inner: &Map<Fut, InspectFn<F>>) +where + Map<Fut, InspectFn<F>>: FusedFuture1 +{ + let _x = inner.is_terminated$0(); +} +"#, + ) + } } |