mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-01 06:51:58 +00:00
24 lines
436 B
Rust
24 lines
436 B
Rust
// run-pass
|
|
|
|
#![feature(try_trait_v2)]
|
|
#![feature(const_trait_impl)]
|
|
#![feature(const_try)]
|
|
#![feature(const_convert)]
|
|
|
|
fn main() {
|
|
const fn result() -> Result<bool, ()> {
|
|
Err(())?;
|
|
Ok(true)
|
|
}
|
|
|
|
const FOO: Result<bool, ()> = result();
|
|
assert_eq!(Err(()), FOO);
|
|
|
|
const fn option() -> Option<()> {
|
|
None?;
|
|
Some(())
|
|
}
|
|
const BAR: Option<()> = option();
|
|
assert_eq!(None, BAR);
|
|
}
|