mirror of https://github.com/rust-lang/rust
58 lines
2.7 KiB
Plaintext
58 lines
2.7 KiB
Plaintext
error[E0412]: cannot find type `Idx` in this scope
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--> $DIR/ice-unsized-struct-arg-issue-121612.rs:5:30
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LL | struct MySlice<T: FnOnce(&T, Idx) -> Idx>(bool, T);
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| ^^^ not found in this scope
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error[E0412]: cannot find type `Idx` in this scope
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--> $DIR/ice-unsized-struct-arg-issue-121612.rs:5:38
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LL | struct MySlice<T: FnOnce(&T, Idx) -> Idx>(bool, T);
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| ^^^ not found in this scope
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error[E0277]: the size for values of type `[bool]` cannot be known at compilation time
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--> $DIR/ice-unsized-struct-arg-issue-121612.rs:9:22
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LL | const MYSLICE_GOOD: &MySliceBool = &MySlice(true, [false]);
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| ^^^^^^^^^^^ doesn't have a size known at compile-time
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= help: the trait `Sized` is not implemented for `[bool]`
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note: required by an implicit `Sized` bound in `MySlice`
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--> $DIR/ice-unsized-struct-arg-issue-121612.rs:5:16
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LL | struct MySlice<T: FnOnce(&T, Idx) -> Idx>(bool, T);
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| ^ required by the implicit `Sized` requirement on this type parameter in `MySlice`
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help: you could relax the implicit `Sized` bound on `T` if it were used through indirection like `&T` or `Box<T>`
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--> $DIR/ice-unsized-struct-arg-issue-121612.rs:5:16
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LL | struct MySlice<T: FnOnce(&T, Idx) -> Idx>(bool, T);
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| ^ - ...if indirection were used here: `Box<T>`
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| |
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| this could be changed to `T: ?Sized`...
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error[E0277]: the size for values of type `[bool]` cannot be known at compilation time
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--> $DIR/ice-unsized-struct-arg-issue-121612.rs:9:22
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LL | const MYSLICE_GOOD: &MySliceBool = &MySlice(true, [false]);
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| ^^^^^^^^^^^ doesn't have a size known at compile-time
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= help: the trait `Sized` is not implemented for `[bool]`
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note: required by an implicit `Sized` bound in `MySlice`
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--> $DIR/ice-unsized-struct-arg-issue-121612.rs:5:16
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LL | struct MySlice<T: FnOnce(&T, Idx) -> Idx>(bool, T);
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| ^ required by the implicit `Sized` requirement on this type parameter in `MySlice`
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help: you could relax the implicit `Sized` bound on `T` if it were used through indirection like `&T` or `Box<T>`
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--> $DIR/ice-unsized-struct-arg-issue-121612.rs:5:16
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LL | struct MySlice<T: FnOnce(&T, Idx) -> Idx>(bool, T);
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| ^ - ...if indirection were used here: `Box<T>`
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| |
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| this could be changed to `T: ?Sized`...
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= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
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error: aborting due to 4 previous errors
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Some errors have detailed explanations: E0277, E0412.
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For more information about an error, try `rustc --explain E0277`.
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