rust/tests/ui/layout/rust-call-abi-not-a-tuple-ice-81974.stderr

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error[E0059]: type parameter to bare `FnOnce` trait must be a tuple
--> $DIR/rust-call-abi-not-a-tuple-ice-81974.rs:24:12
|
LL | impl<A, B> FnOnce<A> for CachedFun<A, B>
| ^^^^^^^^^ the trait `Tuple` is not implemented for `A`
|
note: required by a bound in `FnOnce`
--> $SRC_DIR/core/src/ops/function.rs:LL:COL
help: consider further restricting this bound
|
LL | A: Eq + Hash + Clone + std::marker::Tuple,
| ++++++++++++++++++++
error[E0059]: type parameter to bare `FnMut` trait must be a tuple
--> $DIR/rust-call-abi-not-a-tuple-ice-81974.rs:38:12
|
LL | impl<A, B> FnMut<A> for CachedFun<A, B>
| ^^^^^^^^ the trait `Tuple` is not implemented for `A`
|
note: required by a bound in `FnMut`
--> $SRC_DIR/core/src/ops/function.rs:LL:COL
help: consider further restricting this bound
|
LL | A: Eq + Hash + Clone + std::marker::Tuple,
| ++++++++++++++++++++
error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
--> $DIR/rust-call-abi-not-a-tuple-ice-81974.rs:31:5
|
LL | extern "rust-call" fn call_once(mut self, a: A) -> Self::Output {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `A`
|
help: consider further restricting this bound
|
LL | A: Eq + Hash + Clone + std::marker::Tuple,
| ++++++++++++++++++++
error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument
--> $DIR/rust-call-abi-not-a-tuple-ice-81974.rs:44:5
|
LL | extern "rust-call" fn call_mut(&mut self, a: A) -> Self::Output {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `A`
|
help: consider further restricting this bound
|
LL | A: Eq + Hash + Clone + std::marker::Tuple,
| ++++++++++++++++++++
error[E0277]: `A` is not a tuple
--> $DIR/rust-call-abi-not-a-tuple-ice-81974.rs:33:23
|
LL | self.call_mut(a)
| -------- ^ the trait `Tuple` is not implemented for `A`
| |
| required by a bound introduced by this call
|
note: required by a bound in `call_mut`
--> $SRC_DIR/core/src/ops/function.rs:LL:COL
help: consider further restricting this bound
|
LL | A: Eq + Hash + Clone + std::marker::Tuple,
| ++++++++++++++++++++
error[E0277]: `i32` is not a tuple
--> $DIR/rust-call-abi-not-a-tuple-ice-81974.rs:57:26
|
LL | cachedcoso.call_once(1);
| --------- ^ the trait `Tuple` is not implemented for `i32`
| |
| required by a bound introduced by this call
|
note: required by a bound in `call_once`
--> $SRC_DIR/core/src/ops/function.rs:LL:COL
error: aborting due to 6 previous errors
Some errors have detailed explanations: E0059, E0277.
For more information about an error, try `rustc --explain E0059`.