rust/tests/ui/rfc-2632-const-trait-impl/hir-const-check.rs
2023-01-11 09:32:08 +00:00

18 lines
301 B
Rust

// Regression test for #69615.
#![feature(const_trait_impl)]
#[const_trait]
pub trait MyTrait {
fn method(&self) -> Option<()>;
}
impl const MyTrait for () {
fn method(&self) -> Option<()> {
Some(())?; //~ ERROR `?` is not allowed in a `const fn`
None
}
}
fn main() {}