mirror of https://github.com/rust-lang/rust
13 lines
397 B
Rust
13 lines
397 B
Rust
// Test to make sure we suggest "consider casting" on the right span
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macro_rules! foo {
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() => { 0 }
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}
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fn main() {
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let x = foo!() as *const [u8];
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//~^ ERROR cannot cast `usize` to a pointer that is wide
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//~| NOTE creating a `*const [u8]` requires both an address and a length
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//~| NOTE consider casting this expression to `*const ()`, then using `core::ptr::from_raw_parts`
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}
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