From 6c1e3bb6e97f4c6d760859c4e804f98b8cc64fe2 Mon Sep 17 00:00:00 2001 From: Deadbeef Date: Sun, 6 Aug 2023 13:20:55 +0000 Subject: [PATCH] bless tests --- .../const_trait_fn-issue-88433.rs | 2 +- .../unify-op-with-fn-call.stderr | 42 +++++++++++++++---- tests/ui/consts/const-try.stderr | 33 +++++++++------ tests/ui/consts/rustc-impl-const-stability.rs | 2 +- .../consts/rustc-impl-const-stability.stderr | 19 ++++++++- .../auxiliary/cross-crate.rs | 2 +- .../auxiliary/staged-api.rs | 2 +- .../call-const-trait-method-fail.rs | 4 +- .../call-const-trait-method-fail.stderr | 8 ++-- .../call-const-trait-method-pass.stderr | 34 ++++++++------- .../call-generic-method-chain.stderr | 11 +---- .../call-generic-method-dup-bound.stderr | 11 +---- .../call-generic-method-pass.stderr | 11 +---- .../const-and-non-const-impl.stderr | 27 +++++++----- .../const-check-fns-in-const-impl.rs | 2 +- .../const-default-method-bodies.rs | 4 +- .../const-default-method-bodies.stderr | 8 ++-- .../const-drop-fail-2.rs | 9 ++-- .../const-drop-fail-2.stderr | 23 ++-------- .../const-drop.precise.stderr | 13 +----- .../const-drop.stock.stderr | 13 +----- .../const-impl-requires-const-trait.rs | 8 ++-- .../const-impl-requires-const-trait.stderr | 17 +++++++- .../const_derives/derive-const-gate.rs | 1 - .../const_derives/derive-const-gate.stderr | 12 +----- .../derive-const-non-const-type.rs | 2 +- .../derive-const-non-const-type.stderr | 11 ++++- .../const_derives/derive-const-use.stderr | 40 +----------------- .../derive-const-with-params.stderr | 12 +----- .../cross-crate.gatednc.stderr | 8 ++-- .../rfc-2632-const-trait-impl/cross-crate.rs | 4 +- ...-method-body-is-const-same-trait-ck.stderr | 2 +- .../do-not-const-check-override.rs | 2 +- .../effects/helloworld.rs | 6 +-- .../generic-bound.stderr | 17 +++++--- .../hir-const-check.rs | 2 +- ...default-impl-non-const-specialized-impl.rs | 2 +- .../specializing-constness.rs | 2 +- .../rfc-2632-const-trait-impl/staged-api.rs | 2 +- .../trait-default-body-stability.stderr | 33 +++++++++------ .../trait-where-clause-run.rs | 2 +- .../missing-const-stability.rs | 2 +- 42 files changed, 224 insertions(+), 243 deletions(-) diff --git a/tests/ui/const-generics/const_trait_fn-issue-88433.rs b/tests/ui/const-generics/const_trait_fn-issue-88433.rs index 6e04cfaec31..88dff919206 100644 --- a/tests/ui/const-generics/const_trait_fn-issue-88433.rs +++ b/tests/ui/const-generics/const_trait_fn-issue-88433.rs @@ -1,6 +1,6 @@ // build-pass -#![feature(const_trait_impl)] +#![feature(const_trait_impl, effects)] #[const_trait] trait Func { diff --git a/tests/ui/const-generics/generic_const_exprs/unify-op-with-fn-call.stderr b/tests/ui/const-generics/generic_const_exprs/unify-op-with-fn-call.stderr index 7f28771cee8..eb71ebb62eb 100644 --- a/tests/ui/const-generics/generic_const_exprs/unify-op-with-fn-call.stderr +++ b/tests/ui/const-generics/generic_const_exprs/unify-op-with-fn-call.stderr @@ -1,11 +1,39 @@ -error: const `impl` for trait `Add` which is not marked with `#[const_trait]` - --> $DIR/unify-op-with-fn-call.rs:10:12 +error[E0741]: `Foo` must implement `ConstParamTy` to be used as the type of a const generic parameter + --> $DIR/unify-op-with-fn-call.rs:18:29 | -LL | impl const std::ops::Add for Foo { - | ^^^^^^^^^^^^^ +LL | struct Evaluatable; + | ^^^ + | +help: add `#[derive(ConstParamTy)]` to the struct + | +LL + #[derive(ConstParamTy)] +LL | struct Foo(u8); | - = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const` - = note: adding a non-const method body in the future would be a breaking change -error: aborting due to previous error +error[E0741]: `Foo` must implement `ConstParamTy` to be used as the type of a const generic parameter + --> $DIR/unify-op-with-fn-call.rs:20:17 + | +LL | fn foo(a: Evaluatable<{ N + N }>) { + | ^^^ + | +help: add `#[derive(ConstParamTy)]` to the struct + | +LL + #[derive(ConstParamTy)] +LL | struct Foo(u8); + | +error[E0741]: `Foo` must implement `ConstParamTy` to be used as the type of a const generic parameter + --> $DIR/unify-op-with-fn-call.rs:24:17 + | +LL | fn bar() {} + | ^^^ + | +help: add `#[derive(ConstParamTy)]` to the struct + | +LL + #[derive(ConstParamTy)] +LL | struct Foo(u8); + | + +error: aborting due to 3 previous errors + +For more information about this error, try `rustc --explain E0741`. diff --git a/tests/ui/consts/const-try.stderr b/tests/ui/consts/const-try.stderr index 37014f9b83f..94f4153a29e 100644 --- a/tests/ui/consts/const-try.stderr +++ b/tests/ui/consts/const-try.stderr @@ -1,20 +1,29 @@ -error: const `impl` for trait `FromResidual` which is not marked with `#[const_trait]` - --> $DIR/const-try.rs:15:12 +error[E0015]: `?` cannot determine the branch of `TryMe` in constant functions + --> $DIR/const-try.rs:33:5 | -LL | impl const FromResidual for TryMe { - | ^^^^^^^^^^^^^^^^^^^ +LL | TryMe?; + | ^^^^^^ | - = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const` - = note: adding a non-const method body in the future would be a breaking change - -error: const `impl` for trait `Try` which is not marked with `#[const_trait]` - --> $DIR/const-try.rs:21:12 +note: impl defined here, but it is not `const` + --> $DIR/const-try.rs:21:1 | LL | impl const Try for TryMe { - | ^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^^ + = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants + +error[E0015]: `?` cannot convert from residual of `TryMe` in constant functions + --> $DIR/const-try.rs:33:5 | - = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const` - = note: adding a non-const method body in the future would be a breaking change +LL | TryMe?; + | ^^^^^^ + | +note: impl defined here, but it is not `const` + --> $DIR/const-try.rs:15:1 + | +LL | impl const FromResidual for TryMe { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants error: aborting due to 2 previous errors +For more information about this error, try `rustc --explain E0015`. diff --git a/tests/ui/consts/rustc-impl-const-stability.rs b/tests/ui/consts/rustc-impl-const-stability.rs index a1a741e80e5..2b67c2f2cff 100644 --- a/tests/ui/consts/rustc-impl-const-stability.rs +++ b/tests/ui/consts/rustc-impl-const-stability.rs @@ -2,7 +2,7 @@ #![crate_type = "lib"] #![feature(staged_api)] -#![feature(const_trait_impl)] +#![feature(const_trait_impl, effects)] #![stable(feature = "foo", since = "1.0.0")] #[stable(feature = "potato", since = "1.27.0")] diff --git a/tests/ui/consts/rustc-impl-const-stability.stderr b/tests/ui/consts/rustc-impl-const-stability.stderr index e6930da71ec..7992bfe7752 100644 --- a/tests/ui/consts/rustc-impl-const-stability.stderr +++ b/tests/ui/consts/rustc-impl-const-stability.stderr @@ -7,5 +7,22 @@ LL | impl const Default for Data { = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const` = note: adding a non-const method body in the future would be a breaking change -error: aborting due to previous error +error[E0107]: missing generics for trait `Default` + --> $DIR/rustc-impl-const-stability.rs:15:12 + | +LL | impl const Default for Data { + | ^^^^^^^ expected 18446744073709551615 generic arguments +error[E0207]: the const parameter `host` is not constrained by the impl trait, self type, or predicates + --> $DIR/rustc-impl-const-stability.rs:15:6 + | +LL | impl const Default for Data { + | ^^^^^ unconstrained const parameter + | + = note: expressions using a const parameter must map each value to a distinct output value + = note: proving the result of expressions other than the parameter are unique is not supported + +error: aborting due to 3 previous errors + +Some errors have detailed explanations: E0107, E0207. +For more information about an error, try `rustc --explain E0107`. diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/auxiliary/cross-crate.rs b/tests/ui/rfcs/rfc-2632-const-trait-impl/auxiliary/cross-crate.rs index e73082c1127..f40dc27cb4c 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/auxiliary/cross-crate.rs +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/auxiliary/cross-crate.rs @@ -1,4 +1,4 @@ -#![feature(const_trait_impl)] +#![feature(const_trait_impl, effects)] #[const_trait] pub trait MyTrait { diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/auxiliary/staged-api.rs b/tests/ui/rfcs/rfc-2632-const-trait-impl/auxiliary/staged-api.rs index 589e3f02420..687cb128b05 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/auxiliary/staged-api.rs +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/auxiliary/staged-api.rs @@ -1,4 +1,4 @@ -#![feature(const_trait_impl)] +#![feature(const_trait_impl, effects)] #![feature(staged_api)] #![stable(feature = "rust1", since = "1.0.0")] diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/call-const-trait-method-fail.rs b/tests/ui/rfcs/rfc-2632-const-trait-impl/call-const-trait-method-fail.rs index 646955fd867..771c35cf6ab 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/call-const-trait-method-fail.rs +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/call-const-trait-method-fail.rs @@ -1,4 +1,4 @@ -#![feature(const_trait_impl)] +#![feature(const_trait_impl, effects)] #[const_trait] pub trait Plus { @@ -23,7 +23,7 @@ pub const fn add_i32(a: i32, b: i32) -> i32 { pub const fn add_u32(a: u32, b: u32) -> u32 { a.plus(b) - //~^ ERROR cannot call + //~^ ERROR the trait bound } fn main() {} diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/call-const-trait-method-fail.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/call-const-trait-method-fail.stderr index 0ee1b1a5cb2..2d9c49af85a 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/call-const-trait-method-fail.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/call-const-trait-method-fail.stderr @@ -1,11 +1,11 @@ -error[E0015]: cannot call non-const fn `::plus` in constant functions +error[E0277]: the trait bound `u32: ~const Plus` is not satisfied --> $DIR/call-const-trait-method-fail.rs:25:7 | LL | a.plus(b) - | ^^^^^^^ + | ^^^^ the trait `Plus` is not implemented for `u32` | - = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants + = help: the trait `Plus` is implemented for `u32` error: aborting due to previous error -For more information about this error, try `rustc --explain E0015`. +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/call-const-trait-method-pass.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/call-const-trait-method-pass.stderr index ff53eea1110..60cd000f2d8 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/call-const-trait-method-pass.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/call-const-trait-method-pass.stderr @@ -1,20 +1,24 @@ -error: const `impl` for trait `Add` which is not marked with `#[const_trait]` - --> $DIR/call-const-trait-method-pass.rs:7:12 +error[E0015]: cannot call non-const fn `::plus` in constant functions + --> $DIR/call-const-trait-method-pass.rs:36:7 + | +LL | a.plus(b) + | ^^^^^^^ + | + = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants + +error[E0015]: cannot call non-const operator in constants + --> $DIR/call-const-trait-method-pass.rs:39:22 + | +LL | const ADD_INT: Int = Int(1i32) + Int(2i32); + | ^^^^^^^^^^^^^^^^^^^^^ + | +note: impl defined here, but it is not `const` + --> $DIR/call-const-trait-method-pass.rs:7:1 | LL | impl const std::ops::Add for Int { - | ^^^^^^^^^^^^^ - | - = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const` - = note: adding a non-const method body in the future would be a breaking change - -error: const `impl` for trait `PartialEq` which is not marked with `#[const_trait]` - --> $DIR/call-const-trait-method-pass.rs:15:12 - | -LL | impl const PartialEq for Int { - | ^^^^^^^^^ - | - = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const` - = note: adding a non-const method body in the future would be a breaking change + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + = note: calls in constants are limited to constant functions, tuple structs and tuple variants error: aborting due to 2 previous errors +For more information about this error, try `rustc --explain E0015`. diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/call-generic-method-chain.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/call-generic-method-chain.stderr index 529a472e0bd..37faa3f6bce 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/call-generic-method-chain.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/call-generic-method-chain.stderr @@ -1,12 +1,3 @@ -error: const `impl` for trait `PartialEq` which is not marked with `#[const_trait]` - --> $DIR/call-generic-method-chain.rs:9:12 - | -LL | impl const PartialEq for S { - | ^^^^^^^^^ - | - = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const` - = note: adding a non-const method body in the future would be a breaking change - error: ~const can only be applied to `#[const_trait]` traits --> $DIR/call-generic-method-chain.rs:18:32 | @@ -19,5 +10,5 @@ error: ~const can only be applied to `#[const_trait]` traits LL | const fn equals_self_wrapper(t: &T) -> bool { | ^^^^^^^^^ -error: aborting due to 3 previous errors +error: aborting due to 2 previous errors diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/call-generic-method-dup-bound.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/call-generic-method-dup-bound.stderr index bdc6ccc8aec..90cfe04a9a8 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/call-generic-method-dup-bound.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/call-generic-method-dup-bound.stderr @@ -1,12 +1,3 @@ -error: const `impl` for trait `PartialEq` which is not marked with `#[const_trait]` - --> $DIR/call-generic-method-dup-bound.rs:7:12 - | -LL | impl const PartialEq for S { - | ^^^^^^^^^ - | - = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const` - = note: adding a non-const method body in the future would be a breaking change - error: ~const can only be applied to `#[const_trait]` traits --> $DIR/call-generic-method-dup-bound.rs:18:44 | @@ -19,5 +10,5 @@ error: ~const can only be applied to `#[const_trait]` traits LL | const fn equals_self2(t: &T) -> bool { | ^^^^^^^^^ -error: aborting due to 3 previous errors +error: aborting due to 2 previous errors diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/call-generic-method-pass.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/call-generic-method-pass.stderr index 7fbe89dba3c..bea1846e79b 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/call-generic-method-pass.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/call-generic-method-pass.stderr @@ -1,17 +1,8 @@ -error: const `impl` for trait `PartialEq` which is not marked with `#[const_trait]` - --> $DIR/call-generic-method-pass.rs:9:12 - | -LL | impl const PartialEq for S { - | ^^^^^^^^^ - | - = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const` - = note: adding a non-const method body in the future would be a breaking change - error: ~const can only be applied to `#[const_trait]` traits --> $DIR/call-generic-method-pass.rs:18:32 | LL | const fn equals_self(t: &T) -> bool { | ^^^^^^^^^ -error: aborting due to 2 previous errors +error: aborting due to previous error diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/const-and-non-const-impl.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/const-and-non-const-impl.stderr index 4f858d61eeb..54bc4347722 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/const-and-non-const-impl.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/const-and-non-const-impl.stderr @@ -1,20 +1,25 @@ -error: const `impl` for trait `Add` which is not marked with `#[const_trait]` - --> $DIR/const-and-non-const-impl.rs:7:12 +error[E0117]: only traits defined in the current crate can be implemented for primitive types + --> $DIR/const-and-non-const-impl.rs:7:1 | LL | impl const std::ops::Add for i32 { - | ^^^^^^^^^^^^^ + | ^^^^^^^^^^^-------------^^^^^--- + | | | | + | | | `i32` is not defined in the current crate + | | `i32` is not defined in the current crate + | impl doesn't use only types from inside the current crate | - = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const` - = note: adding a non-const method body in the future would be a breaking change + = note: define and implement a trait or new type instead -error: const `impl` for trait `Add` which is not marked with `#[const_trait]` - --> $DIR/const-and-non-const-impl.rs:23:12 +error[E0119]: conflicting implementations of trait `Add` for type `Int` + --> $DIR/const-and-non-const-impl.rs:23:1 | +LL | impl std::ops::Add for Int { + | -------------------------- first implementation here +... LL | impl const std::ops::Add for Int { - | ^^^^^^^^^^^^^ - | - = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const` - = note: adding a non-const method body in the future would be a breaking change + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `Int` error: aborting due to 2 previous errors +Some errors have detailed explanations: E0117, E0119. +For more information about an error, try `rustc --explain E0117`. diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/const-check-fns-in-const-impl.rs b/tests/ui/rfcs/rfc-2632-const-trait-impl/const-check-fns-in-const-impl.rs index 52984fb6be4..4854f41bf04 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/const-check-fns-in-const-impl.rs +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/const-check-fns-in-const-impl.rs @@ -1,4 +1,4 @@ -#![feature(const_trait_impl)] +#![feature(const_trait_impl, effects)] struct S; #[const_trait] diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/const-default-method-bodies.rs b/tests/ui/rfcs/rfc-2632-const-trait-impl/const-default-method-bodies.rs index 3370f32061c..be668b4f13a 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/const-default-method-bodies.rs +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/const-default-method-bodies.rs @@ -1,4 +1,4 @@ -#![feature(const_trait_impl)] +#![feature(const_trait_impl, effects)] #[const_trait] trait ConstDefaultFn: Sized { @@ -22,7 +22,7 @@ impl const ConstDefaultFn for ConstImpl { const fn test() { NonConstImpl.a(); - //~^ ERROR cannot call + //~^ ERROR the trait bound ConstImpl.a(); } diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/const-default-method-bodies.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/const-default-method-bodies.stderr index 414688f71ed..7b558e3f773 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/const-default-method-bodies.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/const-default-method-bodies.stderr @@ -1,11 +1,11 @@ -error[E0015]: cannot call non-const fn `::a` in constant functions +error[E0277]: the trait bound `NonConstImpl: ~const ConstDefaultFn` is not satisfied --> $DIR/const-default-method-bodies.rs:24:18 | LL | NonConstImpl.a(); - | ^^^ + | ^ the trait `ConstDefaultFn` is not implemented for `NonConstImpl` | - = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants + = help: the trait `ConstDefaultFn` is implemented for `NonConstImpl` error: aborting due to previous error -For more information about this error, try `rustc --explain E0015`. +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/const-drop-fail-2.rs b/tests/ui/rfcs/rfc-2632-const-trait-impl/const-drop-fail-2.rs index 10f6c5c064a..747ccbf0fab 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/const-drop-fail-2.rs +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/const-drop-fail-2.rs @@ -1,5 +1,5 @@ // known-bug: #110395 -#![feature(const_trait_impl, effects)] +#![feature(const_trait_impl)] #![feature(const_mut_refs)] #![cfg_attr(precise, feature(const_precise_live_drops))] @@ -18,6 +18,10 @@ trait A { fn a() { } } impl A for NonTrivialDrop {} +const fn check(_: T) {} + + +/* FIXME(effects) struct ConstDropImplWithBounds(PhantomData); impl const Drop for ConstDropImplWithBounds { @@ -26,11 +30,10 @@ impl const Drop for ConstDropImplWithBounds { } } -const fn check(_: T) {} - const _: () = check::>( ConstDropImplWithBounds(PhantomData) ); +*/ struct ConstDropImplWithNonConstBounds(PhantomData); diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/const-drop-fail-2.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/const-drop-fail-2.stderr index 7de33003c48..100d1df87d6 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/const-drop-fail-2.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/const-drop-fail-2.stderr @@ -1,28 +1,11 @@ -error[E0015]: cannot call non-const fn `::a` in constant functions - --> $DIR/const-drop-fail-2.rs:25:9 - | -LL | T::a(); - | ^^^^^^ - | - = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants - error[E0493]: destructor of `T` cannot be evaluated at compile-time - --> $DIR/const-drop-fail-2.rs:29:36 + --> $DIR/const-drop-fail-2.rs:21:36 | LL | const fn check(_: T) {} | ^ - value is dropped here | | | the destructor for this type cannot be evaluated in constant functions -error[E0015]: cannot call non-const fn `::a` in constant functions - --> $DIR/const-drop-fail-2.rs:39:9 - | -LL | T::a(); - | ^^^^^^ - | - = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants +error: aborting due to previous error -error: aborting due to 3 previous errors - -Some errors have detailed explanations: E0015, E0493. -For more information about an error, try `rustc --explain E0015`. +For more information about this error, try `rustc --explain E0493`. diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/const-drop.precise.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/const-drop.precise.stderr index b28584e7e36..23e36887025 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/const-drop.precise.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/const-drop.precise.stderr @@ -14,15 +14,6 @@ LL | let _ = S(&mut c); | | | the destructor for this type cannot be evaluated in constant functions -error[E0015]: cannot call non-const fn `::foo` in constant functions - --> $DIR/const-drop.rs:70:13 - | -LL | T::foo(); - | ^^^^^^^^ - | - = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants +error: aborting due to 2 previous errors -error: aborting due to 3 previous errors - -Some errors have detailed explanations: E0015, E0493. -For more information about an error, try `rustc --explain E0015`. +For more information about this error, try `rustc --explain E0493`. diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/const-drop.stock.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/const-drop.stock.stderr index b28584e7e36..23e36887025 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/const-drop.stock.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/const-drop.stock.stderr @@ -14,15 +14,6 @@ LL | let _ = S(&mut c); | | | the destructor for this type cannot be evaluated in constant functions -error[E0015]: cannot call non-const fn `::foo` in constant functions - --> $DIR/const-drop.rs:70:13 - | -LL | T::foo(); - | ^^^^^^^^ - | - = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants +error: aborting due to 2 previous errors -error: aborting due to 3 previous errors - -Some errors have detailed explanations: E0015, E0493. -For more information about an error, try `rustc --explain E0015`. +For more information about this error, try `rustc --explain E0493`. diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/const-impl-requires-const-trait.rs b/tests/ui/rfcs/rfc-2632-const-trait-impl/const-impl-requires-const-trait.rs index 2b4963991db..fc3a83876c5 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/const-impl-requires-const-trait.rs +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/const-impl-requires-const-trait.rs @@ -1,9 +1,11 @@ -#![feature(const_trait_impl)] +// known-bug: #110395 + +#![feature(const_trait_impl, effects)] pub trait A {} -//~^ HELP: mark `A` as const +// FIXME ~^ HELP: mark `A` as const impl const A for () {} -//~^ ERROR: const `impl` for trait `A` which is not marked with `#[const_trait]` +// FIXME ~^ ERROR: const `impl` for trait `A` which is not marked with `#[const_trait]` fn main() {} diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/const-impl-requires-const-trait.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/const-impl-requires-const-trait.stderr index 478adcf3e9e..becb2ca1042 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/const-impl-requires-const-trait.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/const-impl-requires-const-trait.stderr @@ -1,5 +1,5 @@ error: const `impl` for trait `A` which is not marked with `#[const_trait]` - --> $DIR/const-impl-requires-const-trait.rs:6:12 + --> $DIR/const-impl-requires-const-trait.rs:8:12 | LL | pub trait A {} | - help: mark `A` as const: `#[const_trait]` @@ -10,5 +10,18 @@ LL | impl const A for () {} = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const` = note: adding a non-const method body in the future would be a breaking change -error: aborting due to previous error +error[E0107]: missing generics for trait `A` + --> $DIR/const-impl-requires-const-trait.rs:8:12 + | +LL | impl const A for () {} + | ^ expected 18446744073709551615 generic arguments + | +note: trait defined here, with 18446744073709551615 generic parameters: + --> $DIR/const-impl-requires-const-trait.rs:5:11 + | +LL | pub trait A {} + | ^ +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0107`. diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/const_derives/derive-const-gate.rs b/tests/ui/rfcs/rfc-2632-const-trait-impl/const_derives/derive-const-gate.rs index dba3ad7f870..348ca0ab190 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/const_derives/derive-const-gate.rs +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/const_derives/derive-const-gate.rs @@ -1,5 +1,4 @@ #[derive_const(Default)] //~ ERROR use of unstable library feature -//~^ ERROR not marked with `#[const_trait]` pub struct S; fn main() {} diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/const_derives/derive-const-gate.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/const_derives/derive-const-gate.stderr index 6a81f96d88d..cc9bdd2715f 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/const_derives/derive-const-gate.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/const_derives/derive-const-gate.stderr @@ -6,16 +6,6 @@ LL | #[derive_const(Default)] | = help: add `#![feature(derive_const)]` to the crate attributes to enable -error: const `impl` for trait `Default` which is not marked with `#[const_trait]` - --> $DIR/derive-const-gate.rs:1:16 - | -LL | #[derive_const(Default)] - | ^^^^^^^ - | - = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const` - = note: adding a non-const method body in the future would be a breaking change - = note: this error originates in the derive macro `Default` (in Nightly builds, run with -Z macro-backtrace for more info) - -error: aborting due to 2 previous errors +error: aborting due to previous error For more information about this error, try `rustc --explain E0658`. diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/const_derives/derive-const-non-const-type.rs b/tests/ui/rfcs/rfc-2632-const-trait-impl/const_derives/derive-const-non-const-type.rs index b575ea8dae2..ce39045d71b 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/const_derives/derive-const-non-const-type.rs +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/const_derives/derive-const-non-const-type.rs @@ -1,5 +1,5 @@ // known-bug: #110395 -#![feature(derive_const)] +#![feature(derive_const, effects)] pub struct A; diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/const_derives/derive-const-non-const-type.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/const_derives/derive-const-non-const-type.stderr index 1c69ad43171..7d7518a887f 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/const_derives/derive-const-non-const-type.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/const_derives/derive-const-non-const-type.stderr @@ -8,5 +8,14 @@ LL | #[derive_const(Default)] = note: adding a non-const method body in the future would be a breaking change = note: this error originates in the derive macro `Default` (in Nightly builds, run with -Z macro-backtrace for more info) -error: aborting due to previous error +error[E0107]: missing generics for trait `Default` + --> $DIR/derive-const-non-const-type.rs:10:16 + | +LL | #[derive_const(Default)] + | ^^^^^^^ expected 18446744073709551615 generic arguments + | + = note: this error originates in the derive macro `Default` (in Nightly builds, run with -Z macro-backtrace for more info) +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0107`. diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/const_derives/derive-const-use.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/const_derives/derive-const-use.stderr index 88054096e63..046dbae0eae 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/const_derives/derive-const-use.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/const_derives/derive-const-use.stderr @@ -10,44 +10,6 @@ error[E0635]: unknown feature `const_default_impls` LL | #![feature(const_trait_impl, const_cmp, const_default_impls, derive_const)] | ^^^^^^^^^^^^^^^^^^^ -error: const `impl` for trait `Default` which is not marked with `#[const_trait]` - --> $DIR/derive-const-use.rs:6:12 - | -LL | impl const Default for A { - | ^^^^^^^ - | - = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const` - = note: adding a non-const method body in the future would be a breaking change - -error: const `impl` for trait `PartialEq` which is not marked with `#[const_trait]` - --> $DIR/derive-const-use.rs:10:12 - | -LL | impl const PartialEq for A { - | ^^^^^^^^^ - | - = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const` - = note: adding a non-const method body in the future would be a breaking change - -error: const `impl` for trait `Default` which is not marked with `#[const_trait]` - --> $DIR/derive-const-use.rs:14:16 - | -LL | #[derive_const(Default, PartialEq)] - | ^^^^^^^ - | - = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const` - = note: adding a non-const method body in the future would be a breaking change - = note: this error originates in the derive macro `Default` (in Nightly builds, run with -Z macro-backtrace for more info) - -error: const `impl` for trait `PartialEq` which is not marked with `#[const_trait]` - --> $DIR/derive-const-use.rs:14:25 - | -LL | #[derive_const(Default, PartialEq)] - | ^^^^^^^^^ - | - = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const` - = note: adding a non-const method body in the future would be a breaking change - = note: this error originates in the derive macro `PartialEq` (in Nightly builds, run with -Z macro-backtrace for more info) - -error: aborting due to 6 previous errors +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0635`. diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/const_derives/derive-const-with-params.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/const_derives/derive-const-with-params.stderr index fa78326587c..37d123e4ccc 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/const_derives/derive-const-with-params.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/const_derives/derive-const-with-params.stderr @@ -1,13 +1,3 @@ -error: const `impl` for trait `PartialEq` which is not marked with `#[const_trait]` - --> $DIR/derive-const-with-params.rs:6:16 - | -LL | #[derive_const(PartialEq)] - | ^^^^^^^^^ - | - = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const` - = note: adding a non-const method body in the future would be a breaking change - = note: this error originates in the derive macro `PartialEq` (in Nightly builds, run with -Z macro-backtrace for more info) - error: ~const can only be applied to `#[const_trait]` traits --> $DIR/derive-const-with-params.rs:6:16 | @@ -16,5 +6,5 @@ LL | #[derive_const(PartialEq)] | = note: this error originates in the derive macro `PartialEq` (in Nightly builds, run with -Z macro-backtrace for more info) -error: aborting due to 2 previous errors +error: aborting due to previous error diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/cross-crate.gatednc.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/cross-crate.gatednc.stderr index c936270de26..428286e0b12 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/cross-crate.gatednc.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/cross-crate.gatednc.stderr @@ -1,11 +1,11 @@ -error[E0015]: cannot call non-const fn `::func` in constant functions +error[E0277]: the trait bound `cross_crate::NonConst: ~const cross_crate::MyTrait` is not satisfied --> $DIR/cross-crate.rs:17:14 | LL | NonConst.func(); - | ^^^^^^ + | ^^^^ the trait `cross_crate::MyTrait` is not implemented for `cross_crate::NonConst` | - = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants + = help: the trait `cross_crate::MyTrait` is implemented for `cross_crate::NonConst` error: aborting due to previous error -For more information about this error, try `rustc --explain E0015`. +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/cross-crate.rs b/tests/ui/rfcs/rfc-2632-const-trait-impl/cross-crate.rs index 1f78af79418..95edbdc0efa 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/cross-crate.rs +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/cross-crate.rs @@ -1,6 +1,6 @@ // revisions: stock gated stocknc gatednc // [gated] check-pass -#![cfg_attr(any(gated, gatednc), feature(const_trait_impl))] +#![cfg_attr(any(gated, gatednc), feature(const_trait_impl, effects))] // aux-build: cross-crate.rs extern crate cross_crate; @@ -16,7 +16,7 @@ const fn const_context() { #[cfg(any(stocknc, gatednc))] NonConst.func(); //[stocknc]~^ ERROR: cannot call - //[gatednc]~^^ ERROR: cannot call + //[gatednc]~^^ ERROR: the trait bound Const.func(); //[stock]~^ ERROR: cannot call //[stocknc]~^^ ERROR: cannot call diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/default-method-body-is-const-same-trait-ck.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/default-method-body-is-const-same-trait-ck.stderr index c21c73f40f2..a6881b8fed5 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/default-method-body-is-const-same-trait-ck.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/default-method-body-is-const-same-trait-ck.stderr @@ -1,4 +1,4 @@ -error[E0277]: the trait bound `(): Tr` is not satisfied +error[E0277]: the trait bound `(): ~const Tr` is not satisfied --> $DIR/default-method-body-is-const-same-trait-ck.rs:8:12 | LL | ().a() diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/do-not-const-check-override.rs b/tests/ui/rfcs/rfc-2632-const-trait-impl/do-not-const-check-override.rs index 730e268c091..5a0db816a2b 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/do-not-const-check-override.rs +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/do-not-const-check-override.rs @@ -1,5 +1,5 @@ // check-pass -#![feature(const_trait_impl, rustc_attrs)] +#![feature(const_trait_impl, rustc_attrs, effects)] #[const_trait] trait Foo { diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/helloworld.rs b/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/helloworld.rs index 49457354cc9..e7ba0505d9b 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/helloworld.rs +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/helloworld.rs @@ -7,7 +7,7 @@ // ensure we are passing in the correct host effect in always const contexts. -pub const fn hmm() -> usize { +pub const fn hmm() -> usize { if host { 1 } else { @@ -16,14 +16,12 @@ pub const fn hmm() -> usize { } const _: () = { - let x = hmm(); + let x = hmm::<()>(); assert!(0 == x); }; -/* FIXME(effects) pub const fn uwu(x: [u8; hmm::<()>()]) { let [] = x; } -*/ fn main() {} diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/generic-bound.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/generic-bound.stderr index 1b21d7c0e0e..6a177592b64 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/generic-bound.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/generic-bound.stderr @@ -1,11 +1,16 @@ -error: const `impl` for trait `Add` which is not marked with `#[const_trait]` - --> $DIR/generic-bound.rs:16:15 +error[E0015]: cannot call non-const operator in constant functions + --> $DIR/generic-bound.rs:25:5 + | +LL | arg + arg + | ^^^^^^^^^ + | +note: impl defined here, but it is not `const` + --> $DIR/generic-bound.rs:16:1 | LL | impl const std::ops::Add for S { - | ^^^^^^^^^^^^^ - | - = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const` - = note: adding a non-const method body in the future would be a breaking change + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants error: aborting due to previous error +For more information about this error, try `rustc --explain E0015`. diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/hir-const-check.rs b/tests/ui/rfcs/rfc-2632-const-trait-impl/hir-const-check.rs index 337c733403b..426534deb67 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/hir-const-check.rs +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/hir-const-check.rs @@ -1,6 +1,6 @@ // Regression test for #69615. -#![feature(const_trait_impl)] +#![feature(const_trait_impl, effects)] #[const_trait] pub trait MyTrait { diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/specialization/const-default-impl-non-const-specialized-impl.rs b/tests/ui/rfcs/rfc-2632-const-trait-impl/specialization/const-default-impl-non-const-specialized-impl.rs index a3bb9b3f93e..9a93d01ed06 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/specialization/const-default-impl-non-const-specialized-impl.rs +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/specialization/const-default-impl-non-const-specialized-impl.rs @@ -1,6 +1,6 @@ // Tests that specializing trait impls must be at least as const as the default impl. -#![feature(const_trait_impl)] +#![feature(const_trait_impl, effects)] #![feature(min_specialization)] #[const_trait] diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/specializing-constness.rs b/tests/ui/rfcs/rfc-2632-const-trait-impl/specializing-constness.rs index 0a28da9e65e..7206a89e5c5 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/specializing-constness.rs +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/specializing-constness.rs @@ -1,4 +1,4 @@ -#![feature(const_trait_impl, min_specialization, rustc_attrs)] +#![feature(const_trait_impl, effects, min_specialization, rustc_attrs)] #[rustc_specialization_trait] #[const_trait] diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/staged-api.rs b/tests/ui/rfcs/rfc-2632-const-trait-impl/staged-api.rs index 1d79f5adf93..b3977e6cede 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/staged-api.rs +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/staged-api.rs @@ -1,7 +1,7 @@ // revisions: stable unstable #![cfg_attr(unstable, feature(unstable))] // The feature from the ./auxiliary/staged-api.rs file. -#![feature(const_trait_impl)] +#![feature(const_trait_impl, effects)] #![feature(staged_api)] #![stable(feature = "rust1", since = "1.0.0")] diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/trait-default-body-stability.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/trait-default-body-stability.stderr index 35dc1ca129b..deed05ae179 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/trait-default-body-stability.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/trait-default-body-stability.stderr @@ -1,20 +1,29 @@ -error: const `impl` for trait `Try` which is not marked with `#[const_trait]` - --> $DIR/trait-default-body-stability.rs:18:12 +error[E0015]: `?` cannot determine the branch of `T` in constant functions + --> $DIR/trait-default-body-stability.rs:44:9 + | +LL | T? + | ^^ + | +note: impl defined here, but it is not `const` + --> $DIR/trait-default-body-stability.rs:18:1 | LL | impl const Try for T { - | ^^^ - | - = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const` - = note: adding a non-const method body in the future would be a breaking change + | ^^^^^^^^^^^^^^^^^^^^ + = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants -error: const `impl` for trait `FromResidual` which is not marked with `#[const_trait]` - --> $DIR/trait-default-body-stability.rs:33:12 +error[E0015]: `?` cannot convert from residual of `T` in constant functions + --> $DIR/trait-default-body-stability.rs:44:9 + | +LL | T? + | ^^ + | +note: impl defined here, but it is not `const` + --> $DIR/trait-default-body-stability.rs:33:1 | LL | impl const FromResidual for T { - | ^^^^^^^^^^^^ - | - = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const` - = note: adding a non-const method body in the future would be a breaking change + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants error: aborting due to 2 previous errors +For more information about this error, try `rustc --explain E0015`. diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/trait-where-clause-run.rs b/tests/ui/rfcs/rfc-2632-const-trait-impl/trait-where-clause-run.rs index 29809a2ee56..6e1074035b7 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/trait-where-clause-run.rs +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/trait-where-clause-run.rs @@ -1,7 +1,7 @@ // known-bug: #110395 // FIXME run-pass -#![feature(const_trait_impl)] +#![feature(const_trait_impl, effects)] #[const_trait] trait Bar { diff --git a/tests/ui/stability-attribute/missing-const-stability.rs b/tests/ui/stability-attribute/missing-const-stability.rs index 6eff899bfbf..621e8576249 100644 --- a/tests/ui/stability-attribute/missing-const-stability.rs +++ b/tests/ui/stability-attribute/missing-const-stability.rs @@ -1,5 +1,5 @@ #![feature(staged_api)] -#![feature(const_trait_impl)] +#![feature(const_trait_impl, effects)] #![stable(feature = "stable", since = "1.0.0")] #[stable(feature = "stable", since = "1.0.0")]