mirror of https://github.com/rust-lang/rust
23 lines
658 B
Plaintext
23 lines
658 B
Plaintext
error[E0746]: return type cannot have an unboxed trait object
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--> $DIR/issue-18107.rs:4:5
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LL | dyn AbstractRenderer
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| ^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
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help: return an `impl Trait` instead of a `dyn Trait`, if all returned values are the same type
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LL | impl AbstractRenderer
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| ~~~~
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help: box the return type, and wrap all of the returned values in `Box::new`
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LL ~ Box<dyn AbstractRenderer>
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LL |
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LL | {
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LL | match 0 {
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LL ~ _ => Box::new(unimplemented!())
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error: aborting due to 1 previous error
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For more information about this error, try `rustc --explain E0746`.
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