tests/ui/traits/const-traits/hir-const-check.rs

//@ check-pass
//@ compile-flags: -Znext-solver

// Regression test for #69615.

#![feature(const_trait_impl)]
#![feature(const_try)]

#[const_trait]
pub trait MyTrait {
    fn method(&self) -> Option<()>;
}

impl const MyTrait for () {
    fn method(&self) -> Option<()> {
        Some(())?;
        None
    }
}

fn main() {}