rust/tests/ui/lifetimes/issue-64173-unused-lifetimes.rs
2023-05-05 21:42:54 +01:00

20 lines
554 B
Rust

use std::mem::size_of;
struct Foo<'s> { //~ ERROR: parameter `'s` is never used
array: [(); size_of::<&Self>()],
//~^ ERROR: generic `Self` types are currently not permitted in anonymous constants
}
// The below is taken from https://github.com/rust-lang/rust/issues/66152#issuecomment-550275017
// as the root cause seems the same.
const fn foo<T>() -> usize {
0
}
struct Bar<'a> { //~ ERROR: parameter `'a` is never used
beta: [(); foo::<&'a ()>()], //~ ERROR: generic parameters may not be used in const operations
}
fn main() {}