blob: b39bc247aab1ba4167db3bd1c008012e4765dc85 [file] [log] [blame] [edit]
//@ check-pass
//@ compile-flags: -Znext-solver
use std::error::Error;
fn main() -> Result<(), Box<dyn Error>> {
let x: i32 = parse()?;
Ok(())
}
trait Parse {}
impl Parse for i32 {}
#[derive(Debug)]
struct ParseError;
impl std::fmt::Display for ParseError {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "ParseError")
}
}
impl Error for ParseError {}
fn parse<T: Parse>() -> Result<T, ParseError> {
todo!()
}