fparkan/vendor/thiserror/tests/ui/from-backtrace-backtrace.rs

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// https://github.com/dtolnay/thiserror/issues/163
use std::backtrace::Backtrace;
use thiserror::Error;
#[derive(Error, Debug)]
#[error("...")]
pub struct Error(
#[from]
#[backtrace]
std::io::Error,
Backtrace,
);
fn main() {}