use pseudo_backtrace::StackError;
#[derive(Debug, StackError)]
struct TupleMissingAttrs(std::io::Error, &'static core::panic::Location<'static>);
impl core::fmt::Display for TupleMissingAttrs {
fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
write!(f, "tuple")
}
}
impl core::error::Error for TupleMissingAttrs {}
fn main() {}