17 lines
342 B
Rust
17 lines
342 B
Rust
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// edition: 2021
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#![feature(unsized_locals)]
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//~^ WARN the feature `unsized_locals` is incomplete
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async fn f() {}
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async fn g(x: Box<dyn std::fmt::Display>) {
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let _x = *x;
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//~^ ERROR the size for values of type `dyn std::fmt::Display` cannot be known at compilation time
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f().await;
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}
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fn main() {
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let _a = g(Box::new(5));
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}
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