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error[E0277]: the size for values of type `T` cannot be known at compilation time
--> $DIR/unsized-bare-typaram.rs:2:29
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LL | fn foo<T: ?Sized>() { bar::<T>() }
| - ^ doesn't have a size known at compile-time
| |
| this type parameter needs to be `std::marker::Sized`
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note: required by a bound in `bar`
--> $DIR/unsized-bare-typaram.rs:1:8
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LL | fn bar<T: Sized>() { }
| ^ required by this bound in `bar`
help: consider removing the `?Sized` bound to make the type parameter `Sized`
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LL - fn foo<T: ?Sized>() { bar::<T>() }
LL + fn foo<T>() { bar::<T>() }
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error: aborting due to previous error
For more information about this error, try `rustc --explain E0277`.
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