blob: e826f3a00599bcd62595b9e12b6878cee75a88a1 (
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// check-pass
// compile-flags: -Ztrait-solver=next
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!()
}
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