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error: unconstrained generic constant
--> $DIR/issue-71202.rs:11:5
|
LL | / const ITEM_IS_COPY: [(); 1 - {
LL | | trait NotCopy {
LL | | const VALUE: bool = false;
... |
LL | | <IsCopy<T>>::VALUE
LL | | } as usize] = [];
| |_______________^
|
help: try adding a `where` bound
|
LL ~ } as usize] where [(); 1 - {
LL + trait NotCopy {
LL + const VALUE: bool = false;
LL + }
LL +
LL + impl<__Type: ?Sized> NotCopy for __Type {}
LL +
LL + struct IsCopy<__Type: ?Sized>(PhantomData<__Type>);
LL +
LL + impl<__Type> IsCopy<__Type>
LL + where
LL + __Type: Sized + Copy,
LL + {
LL + const VALUE: bool = true;
LL + }
LL +
LL + <IsCopy<T>>::VALUE
LL ~ } as usize]: = [];
|
error: unconstrained generic constant
--> $DIR/issue-71202.rs:28:19
|
LL | } as usize] = [];
| ^^
|
help: try adding a `where` bound
|
LL ~ } as usize] where [(); 1 - {
LL + trait NotCopy {
LL + const VALUE: bool = false;
LL + }
LL +
LL + impl<__Type: ?Sized> NotCopy for __Type {}
LL +
LL + struct IsCopy<__Type: ?Sized>(PhantomData<__Type>);
LL +
LL + impl<__Type> IsCopy<__Type>
LL + where
LL + __Type: Sized + Copy,
LL + {
LL + const VALUE: bool = true;
LL + }
LL +
LL + <IsCopy<T>>::VALUE
LL ~ } as usize]: = [];
|
error[E0308]: mismatched types
--> $DIR/issue-71202.rs:28:19
|
LL | } as usize] = [];
| ^^ expected `1 - {
trait NotCopy {
const VALUE: bool = false;
}
impl<__Type: ?Sized> NotCopy for __Type {}
struct IsCopy<__Type: ?Sized>(PhantomData<__Type>);
impl<__Type> IsCopy<__Type>
where
__Type: Sized + Copy,
{
const VALUE: bool = true;
}
<IsCopy<T>>::VALUE
} as usize`, found `0`
|
= note: expected constant `1 - {
trait NotCopy {
const VALUE: bool = false;
}
impl<__Type: ?Sized> NotCopy for __Type {}
struct IsCopy<__Type: ?Sized>(PhantomData<__Type>);
impl<__Type> IsCopy<__Type>
where
__Type: Sized + Copy,
{
const VALUE: bool = true;
}
<IsCopy<T>>::VALUE
} as usize`
found constant `0`
error: aborting due to 3 previous errors
For more information about this error, try `rustc --explain E0308`.
|
