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error[E0277]: the size for values of type `X` cannot be known at compilation time
--> $DIR/unsized5.rs:4:9
|
LL | struct S1<X: ?Sized> {
| - this type parameter needs to be `Sized`
LL | f1: X,
| ^ doesn't have a size known at compile-time
|
= note: only the last field of a struct may have a dynamically sized type
= help: change the field's type to have a statically known size
help: borrowed types always have a statically known size
|
LL | f1: &X,
| ^
help: the `Box` type always has a statically known size and allocates its contents in the heap
|
LL | f1: Box<X>,
| ^^^^ ^
error[E0277]: the size for values of type `X` cannot be known at compilation time
--> $DIR/unsized5.rs:10:8
|
LL | struct S2<X: ?Sized> {
| - this type parameter needs to be `Sized`
LL | f: isize,
LL | g: X,
| ^ doesn't have a size known at compile-time
|
= note: only the last field of a struct may have a dynamically sized type
= help: change the field's type to have a statically known size
help: borrowed types always have a statically known size
|
LL | g: &X,
| ^
help: the `Box` type always has a statically known size and allocates its contents in the heap
|
LL | g: Box<X>,
| ^^^^ ^
error[E0277]: the size for values of type `str` cannot be known at compilation time
--> $DIR/unsized5.rs:15:8
|
LL | f: str,
| ^^^ doesn't have a size known at compile-time
|
= help: the trait `Sized` is not implemented for `str`
= note: only the last field of a struct may have a dynamically sized type
= help: change the field's type to have a statically known size
help: borrowed types always have a statically known size
|
LL | f: &str,
| ^
help: the `Box` type always has a statically known size and allocates its contents in the heap
|
LL | f: Box<str>,
| ^^^^ ^
error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
--> $DIR/unsized5.rs:20:8
|
LL | f: [u8],
| ^^^^ doesn't have a size known at compile-time
|
= help: the trait `Sized` is not implemented for `[u8]`
= note: only the last field of a struct may have a dynamically sized type
= help: change the field's type to have a statically known size
help: borrowed types always have a statically known size
|
LL | f: &[u8],
| ^
help: the `Box` type always has a statically known size and allocates its contents in the heap
|
LL | f: Box<[u8]>,
| ^^^^ ^
error[E0277]: the size for values of type `X` cannot be known at compilation time
--> $DIR/unsized5.rs:25:8
|
LL | enum E<X: ?Sized> {
| - this type parameter needs to be `Sized`
LL | V1(X, isize),
| ^ doesn't have a size known at compile-time
|
= note: no field of an enum variant may have a dynamically sized type
= help: change the field's type to have a statically known size
help: borrowed types always have a statically known size
|
LL | V1(&X, isize),
| ^
help: the `Box` type always has a statically known size and allocates its contents in the heap
|
LL | V1(Box<X>, isize),
| ^^^^ ^
error[E0277]: the size for values of type `X` cannot be known at compilation time
--> $DIR/unsized5.rs:29:12
|
LL | enum F<X: ?Sized> {
| - this type parameter needs to be `Sized`
LL | V2{f1: X, f: isize},
| ^ doesn't have a size known at compile-time
|
= note: no field of an enum variant may have a dynamically sized type
= help: change the field's type to have a statically known size
help: borrowed types always have a statically known size
|
LL | V2{f1: &X, f: isize},
| ^
help: the `Box` type always has a statically known size and allocates its contents in the heap
|
LL | V2{f1: Box<X>, f: isize},
| ^^^^ ^
error: aborting due to 6 previous errors
For more information about this error, try `rustc --explain E0277`.
|
