diff options
Diffstat (limited to 'tests/ui/traits')
12 files changed, 294 insertions, 29 deletions
diff --git a/tests/ui/traits/const-traits/conditionally-const-in-anon-const.rs b/tests/ui/traits/const-traits/conditionally-const-in-anon-const.rs new file mode 100644 index 00000000000..5aebcceb7c7 --- /dev/null +++ b/tests/ui/traits/const-traits/conditionally-const-in-anon-const.rs @@ -0,0 +1,28 @@ +#![feature(const_trait_impl, impl_trait_in_bindings)] + +struct S; +#[const_trait] +trait Trait<const N: u32> {} + +impl const Trait<0> for () {} + +const fn f< + T: Trait< + { + const fn g<U: [const] Trait<0>>() {} + + struct I<U: [const] Trait<0>>(U); + //~^ ERROR `[const]` is not allowed here + + let x: &impl [const] Trait<0> = &(); + //~^ ERROR `[const]` is not allowed here + + 0 + }, + >, +>(x: &T) { + // Should be allowed here + let y: &impl [const] Trait<0> = x; +} + +pub fn main() {} diff --git a/tests/ui/traits/const-traits/conditionally-const-in-anon-const.stderr b/tests/ui/traits/const-traits/conditionally-const-in-anon-const.stderr new file mode 100644 index 00000000000..c6be249b95a --- /dev/null +++ b/tests/ui/traits/const-traits/conditionally-const-in-anon-const.stderr @@ -0,0 +1,32 @@ +error: `[const]` is not allowed here + --> $DIR/conditionally-const-in-anon-const.rs:14:25 + | +LL | struct I<U: [const] Trait<0>>(U); + | ^^^^^^^ + | +note: structs cannot have `[const]` trait bounds + --> $DIR/conditionally-const-in-anon-const.rs:14:13 + | +LL | struct I<U: [const] Trait<0>>(U); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: `[const]` is not allowed here + --> $DIR/conditionally-const-in-anon-const.rs:17:26 + | +LL | let x: &impl [const] Trait<0> = &(); + | ^^^^^^^ + | +note: anonymous constants cannot have `[const]` trait bounds + --> $DIR/conditionally-const-in-anon-const.rs:11:9 + | +LL | / { +LL | | const fn g<U: [const] Trait<0>>() {} +LL | | +LL | | struct I<U: [const] Trait<0>>(U); +... | +LL | | 0 +LL | | }, + | |_________^ + +error: aborting due to 2 previous errors + diff --git a/tests/ui/traits/const-traits/conditionally-const-in-struct-args.rs b/tests/ui/traits/const-traits/conditionally-const-in-struct-args.rs deleted file mode 100644 index 0c644694585..00000000000 --- a/tests/ui/traits/const-traits/conditionally-const-in-struct-args.rs +++ /dev/null @@ -1,21 +0,0 @@ -//@ compile-flags: -Znext-solver -//@ known-bug: #132067 -//@ check-pass - -#![feature(const_trait_impl)] - -struct S; -#[const_trait] -trait Trait<const N: u32> {} - -const fn f< - T: Trait< - { - struct I<U: [const] Trait<0>>(U); - 0 - }, - >, ->() { -} - -pub fn main() {} diff --git a/tests/ui/traits/const-traits/conditionally-const-invalid-places.stderr b/tests/ui/traits/const-traits/conditionally-const-invalid-places.stderr index 010b1584643..5c3bb236967 100644 --- a/tests/ui/traits/const-traits/conditionally-const-invalid-places.stderr +++ b/tests/ui/traits/const-traits/conditionally-const-invalid-places.stderr @@ -16,7 +16,11 @@ error: `[const]` is not allowed here LL | struct Struct<T: [const] Trait> { field: T } | ^^^^^^^ | - = note: this item cannot have `[const]` trait bounds +note: structs cannot have `[const]` trait bounds + --> $DIR/conditionally-const-invalid-places.rs:9:1 + | +LL | struct Struct<T: [const] Trait> { field: T } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: `[const]` is not allowed here --> $DIR/conditionally-const-invalid-places.rs:10:23 @@ -24,7 +28,11 @@ error: `[const]` is not allowed here LL | struct TupleStruct<T: [const] Trait>(T); | ^^^^^^^ | - = note: this item cannot have `[const]` trait bounds +note: structs cannot have `[const]` trait bounds + --> $DIR/conditionally-const-invalid-places.rs:10:1 + | +LL | struct TupleStruct<T: [const] Trait>(T); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: `[const]` is not allowed here --> $DIR/conditionally-const-invalid-places.rs:11:22 @@ -32,7 +40,11 @@ error: `[const]` is not allowed here LL | struct UnitStruct<T: [const] Trait>; | ^^^^^^^ | - = note: this item cannot have `[const]` trait bounds +note: structs cannot have `[const]` trait bounds + --> $DIR/conditionally-const-invalid-places.rs:11:1 + | +LL | struct UnitStruct<T: [const] Trait>; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: `[const]` is not allowed here --> $DIR/conditionally-const-invalid-places.rs:14:14 @@ -40,7 +52,11 @@ error: `[const]` is not allowed here LL | enum Enum<T: [const] Trait> { Variant(T) } | ^^^^^^^ | - = note: this item cannot have `[const]` trait bounds +note: enums cannot have `[const]` trait bounds + --> $DIR/conditionally-const-invalid-places.rs:14:1 + | +LL | enum Enum<T: [const] Trait> { Variant(T) } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: `[const]` is not allowed here --> $DIR/conditionally-const-invalid-places.rs:16:16 @@ -48,7 +64,11 @@ error: `[const]` is not allowed here LL | union Union<T: [const] Trait> { field: T } | ^^^^^^^ | - = note: this item cannot have `[const]` trait bounds +note: unions cannot have `[const]` trait bounds + --> $DIR/conditionally-const-invalid-places.rs:16:1 + | +LL | union Union<T: [const] Trait> { field: T } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: `[const]` is not allowed here --> $DIR/conditionally-const-invalid-places.rs:19:14 diff --git a/tests/ui/traits/const-traits/const-closure-issue-125866-error.rs b/tests/ui/traits/const-traits/const-closure-issue-125866-error.rs new file mode 100644 index 00000000000..7a44920bb72 --- /dev/null +++ b/tests/ui/traits/const-traits/const-closure-issue-125866-error.rs @@ -0,0 +1,24 @@ +#![allow(incomplete_features)] +#![feature(const_closures, const_trait_impl)] + +const fn create_array<const N: usize>(mut f: impl FnMut(usize) -> u32 + Copy) -> [u32; N] { + let mut array = [0; N]; + let mut i = 0; + loop { + array[i] = f(i); + //~^ ERROR the trait bound `impl FnMut(usize) -> u32 + Copy: [const] FnMut(usize)` is not satisfied [E0277] + i += 1; + if i == N { + break; + } + } + array +} + +fn main() { + let x = create_array(const |i| 2 * i as u32); + assert_eq!(x, [0, 2, 4, 6, 8]); + + let y = create_array(const |i| 2 * i as u32 + 1); + assert_eq!(y, [1, 3, 5, 7, 9]); +} diff --git a/tests/ui/traits/const-traits/const-closure-issue-125866-error.stderr b/tests/ui/traits/const-traits/const-closure-issue-125866-error.stderr new file mode 100644 index 00000000000..1eadd1d8426 --- /dev/null +++ b/tests/ui/traits/const-traits/const-closure-issue-125866-error.stderr @@ -0,0 +1,11 @@ +error[E0277]: the trait bound `impl FnMut(usize) -> u32 + Copy: [const] FnMut(usize)` is not satisfied + --> $DIR/const-closure-issue-125866-error.rs:8:22 + | +LL | array[i] = f(i); + | - ^ + | | + | required by a bound introduced by this call + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/traits/const-traits/const-closure-issue-125866-pass.rs b/tests/ui/traits/const-traits/const-closure-issue-125866-pass.rs new file mode 100644 index 00000000000..af7375172e6 --- /dev/null +++ b/tests/ui/traits/const-traits/const-closure-issue-125866-pass.rs @@ -0,0 +1,25 @@ +//@ check-pass + +#![allow(incomplete_features)] +#![feature(const_closures, const_trait_impl)] + +const fn create_array<const N: usize>(mut f: impl [const] FnMut(usize) -> u32 + Copy) -> [u32; N] { + let mut array = [0; N]; + let mut i = 0; + loop { + array[i] = f(i); + i += 1; + if i == N { + break; + } + } + array +} + +fn main() { + let x = create_array(const |i| 2 * i as u32); + assert_eq!(x, [0, 2, 4, 6, 8]); + + let y = create_array(const |i| 2 * i as u32 + 1); + assert_eq!(y, [1, 3, 5, 7, 9]); +} diff --git a/tests/ui/traits/const-traits/const-fn-trait-bound-issue-104314.rs b/tests/ui/traits/const-traits/const-fn-trait-bound-issue-104314.rs new file mode 100644 index 00000000000..09c89c9cecd --- /dev/null +++ b/tests/ui/traits/const-traits/const-fn-trait-bound-issue-104314.rs @@ -0,0 +1,13 @@ +//@ check-pass + +#![feature(const_trait_impl, const_destruct, const_clone)] + +use std::marker::Destruct; + +const fn f<T, F: [const] Fn(&T) -> T + [const] Destruct>(_: F) {} + +const fn g<T: [const] Clone>() { + f(<T as Clone>::clone); +} + +fn main() {} diff --git a/tests/ui/traits/const-traits/feature-gate.rs b/tests/ui/traits/const-traits/feature-gate.rs index 5ad56ddcd33..c2918f0249b 100644 --- a/tests/ui/traits/const-traits/feature-gate.rs +++ b/tests/ui/traits/const-traits/feature-gate.rs @@ -13,6 +13,9 @@ impl const T for S {} const fn f<A: [const] T>() {} //[stock]~ ERROR const trait impls are experimental fn g<A: const T>() {} //[stock]~ ERROR const trait impls are experimental +const trait Trait {} //[stock]~ ERROR const trait impls are experimental +#[cfg(false)] const trait Trait {} //[stock]~ ERROR const trait impls are experimental + macro_rules! discard { ($ty:ty) => {} } discard! { impl [const] T } //[stock]~ ERROR const trait impls are experimental diff --git a/tests/ui/traits/const-traits/feature-gate.stock.stderr b/tests/ui/traits/const-traits/feature-gate.stock.stderr index f3ba3039a23..551c7ced7c1 100644 --- a/tests/ui/traits/const-traits/feature-gate.stock.stderr +++ b/tests/ui/traits/const-traits/feature-gate.stock.stderr @@ -29,7 +29,27 @@ LL | fn g<A: const T>() {} = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date error[E0658]: const trait impls are experimental - --> $DIR/feature-gate.rs:18:17 + --> $DIR/feature-gate.rs:16:1 + | +LL | const trait Trait {} + | ^^^^^ + | + = note: see issue #143874 <https://github.com/rust-lang/rust/issues/143874> for more information + = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable + = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date + +error[E0658]: const trait impls are experimental + --> $DIR/feature-gate.rs:17:15 + | +LL | #[cfg(false)] const trait Trait {} + | ^^^^^ + | + = note: see issue #143874 <https://github.com/rust-lang/rust/issues/143874> for more information + = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable + = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date + +error[E0658]: const trait impls are experimental + --> $DIR/feature-gate.rs:21:17 | LL | discard! { impl [const] T } | ^^^^^^^ @@ -39,7 +59,7 @@ LL | discard! { impl [const] T } = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date error[E0658]: const trait impls are experimental - --> $DIR/feature-gate.rs:19:17 + --> $DIR/feature-gate.rs:22:17 | LL | discard! { impl const T } | ^^^^^ @@ -58,6 +78,6 @@ LL | #[const_trait] = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date -error: aborting due to 6 previous errors +error: aborting due to 8 previous errors For more information about this error, try `rustc --explain E0658`. diff --git a/tests/ui/traits/trait-impl-overflow-with-where-clause-20413.rs b/tests/ui/traits/trait-impl-overflow-with-where-clause-20413.rs new file mode 100644 index 00000000000..e8c27ff5cc8 --- /dev/null +++ b/tests/ui/traits/trait-impl-overflow-with-where-clause-20413.rs @@ -0,0 +1,42 @@ +// https://github.com/rust-lang/rust/issues/20413 +trait Foo { + fn answer(self); +} + +struct NoData<T>; +//~^ ERROR: parameter `T` is never used + +impl<T> Foo for T where NoData<T>: Foo { + //~^ ERROR: overflow evaluating the requirement + fn answer(self) { + let val: NoData<T> = NoData; + } +} + +trait Bar { + fn answer(self); +} + +trait Baz { + fn answer(self); +} + +struct AlmostNoData<T>(Option<T>); + +struct EvenLessData<T>(Option<T>); + +impl<T> Bar for T where EvenLessData<T>: Baz { +//~^ ERROR: overflow evaluating the requirement + fn answer(self) { + let val: EvenLessData<T> = EvenLessData(None); + } +} + +impl<T> Baz for T where AlmostNoData<T>: Bar { +//~^ ERROR: overflow evaluating the requirement + fn answer(self) { + let val: NoData<T> = AlmostNoData(None); + } +} + +fn main() {} diff --git a/tests/ui/traits/trait-impl-overflow-with-where-clause-20413.stderr b/tests/ui/traits/trait-impl-overflow-with-where-clause-20413.stderr new file mode 100644 index 00000000000..72aff1b9ee8 --- /dev/null +++ b/tests/ui/traits/trait-impl-overflow-with-where-clause-20413.stderr @@ -0,0 +1,68 @@ +error[E0392]: type parameter `T` is never used + --> $DIR/trait-impl-overflow-with-where-clause-20413.rs:6:15 + | +LL | struct NoData<T>; + | ^ unused type parameter + | + = help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData` + = help: if you intended `T` to be a const parameter, use `const T: /* Type */` instead + +error[E0275]: overflow evaluating the requirement `NoData<NoData<NoData<NoData<NoData<NoData<NoData<...>>>>>>>: Foo` + --> $DIR/trait-impl-overflow-with-where-clause-20413.rs:9:36 + | +LL | impl<T> Foo for T where NoData<T>: Foo { + | ^^^ + | + = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`trait_impl_overflow_with_where_clause_20413`) +note: required for `NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<T>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>` to implement `Foo` + --> $DIR/trait-impl-overflow-with-where-clause-20413.rs:9:9 + | +LL | impl<T> Foo for T where NoData<T>: Foo { + | ^^^ ^ --- unsatisfied trait bound introduced here + = note: 126 redundant requirements hidden + = note: required for `NoData<T>` to implement `Foo` + +error[E0275]: overflow evaluating the requirement `AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<...>>>>>>>: Bar` + --> $DIR/trait-impl-overflow-with-where-clause-20413.rs:28:42 + | +LL | impl<T> Bar for T where EvenLessData<T>: Baz { + | ^^^ + | + = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`trait_impl_overflow_with_where_clause_20413`) +note: required for `EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<T>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>` to implement `Baz` + --> $DIR/trait-impl-overflow-with-where-clause-20413.rs:35:9 + | +LL | impl<T> Baz for T where AlmostNoData<T>: Bar { + | ^^^ ^ --- unsatisfied trait bound introduced here +note: required for `AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<T>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>` to implement `Bar` + --> $DIR/trait-impl-overflow-with-where-clause-20413.rs:28:9 + | +LL | impl<T> Bar for T where EvenLessData<T>: Baz { + | ^^^ ^ --- unsatisfied trait bound introduced here + = note: 125 redundant requirements hidden + = note: required for `EvenLessData<T>` to implement `Baz` + +error[E0275]: overflow evaluating the requirement `EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<...>>>>>>>: Baz` + --> $DIR/trait-impl-overflow-with-where-clause-20413.rs:35:42 + | +LL | impl<T> Baz for T where AlmostNoData<T>: Bar { + | ^^^ + | + = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`trait_impl_overflow_with_where_clause_20413`) +note: required for `AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<T>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>` to implement `Bar` + --> $DIR/trait-impl-overflow-with-where-clause-20413.rs:28:9 + | +LL | impl<T> Bar for T where EvenLessData<T>: Baz { + | ^^^ ^ --- unsatisfied trait bound introduced here +note: required for `EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<T>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>` to implement `Baz` + --> $DIR/trait-impl-overflow-with-where-clause-20413.rs:35:9 + | +LL | impl<T> Baz for T where AlmostNoData<T>: Bar { + | ^^^ ^ --- unsatisfied trait bound introduced here + = note: 125 redundant requirements hidden + = note: required for `AlmostNoData<T>` to implement `Bar` + +error: aborting due to 4 previous errors + +Some errors have detailed explanations: E0275, E0392. +For more information about an error, try `rustc --explain E0275`. |