15 lines
738 B
Plaintext
15 lines
738 B
Plaintext
error[E0277]: the size for values of type `(dyn std::ops::FnOnce() + 'static)` cannot be known at compilation time
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--> $DIR/feature-gate-unsized_locals.rs:11:6
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LL | fn f(f: FnOnce()) {}
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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 `(dyn std::ops::FnOnce() + 'static)`
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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-the-sized-trait>
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= note: all local variables must have a statically known size
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= help: unsized locals are gated as an unstable feature
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error: aborting due to previous error
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For more information about this error, try `rustc --explain E0277`.
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