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The `rust-call` ABI isn't compatible with `#![feature(unsized_fn_params)]`, so trying to use that feature with closures leads to an ICE (#67981). This turns that ICE into a type-check error.
16 lines
571 B
Plaintext
16 lines
571 B
Plaintext
error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
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--> $DIR/issue-67981.rs:4:24
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LL | let f: fn([u8]) = |_| {};
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| ^ doesn't have a size known at compile-time
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= help: the trait `Sized` is not implemented for `[u8]`
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help: function arguments must have a statically known size, borrowed types always have a known size
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LL | let f: fn([u8]) = |&_| {};
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| +
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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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