35 lines
1.5 KiB
Plaintext
35 lines
1.5 KiB
Plaintext
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error[E0277]: the size for values of type `T` cannot be known at compilation time
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--> $DIR/unsized-struct.rs:17:36
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LL | fn foo2<T: ?Sized>() { not_sized::<Foo<T>>() }
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| ^^^^^^ doesn't have a size known at compile-time
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= help: the trait `std::marker::Sized` is not implemented for `T`
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= note: to learn more, visit <https://doc.rust-lang.org/book/second-edition/ch19-04-advanced-types.html#dynamically-sized-types-and-sized>
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= help: consider adding a `where T: std::marker::Sized` bound
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note: required by `Foo`
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--> $DIR/unsized-struct.rs:15:1
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LL | struct Foo<T> { data: T }
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| ^^^^^^^^^^^^^
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error[E0277]: the size for values of type `T` cannot be known at compilation time
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--> $DIR/unsized-struct.rs:24:24
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LL | fn bar2<T: ?Sized>() { is_sized::<Bar<T>>() }
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| ^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
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= help: within `Bar<T>`, the trait `std::marker::Sized` is not implemented for `T`
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= note: to learn more, visit <https://doc.rust-lang.org/book/second-edition/ch19-04-advanced-types.html#dynamically-sized-types-and-sized>
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= help: consider adding a `where T: std::marker::Sized` bound
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= note: required because it appears within the type `Bar<T>`
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note: required by `is_sized`
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--> $DIR/unsized-struct.rs:12:1
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LL | fn is_sized<T:Sized>() { }
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| ^^^^^^^^^^^^^^^^^^^^^^
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error: aborting due to 2 previous errors
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For more information about this error, try `rustc --explain E0277`.
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