rust/tests/ui/try-trait/option-to-result.rs
2023-01-11 09:32:08 +00:00

14 lines
282 B
Rust

fn main(){ }
fn test_result() -> Result<(),()> {
let a:Option<()> = Some(());
a?;//~ ERROR the `?` operator can only be used
Ok(())
}
fn test_option() -> Option<i32>{
let a:Result<i32, i32> = Ok(5);
a?;//~ ERROR the `?` operator can only be used
Some(5)
}