Sha256: ee0a4518493c0b3cca121ed2e937b1779eb7e8313a5c4d5fc5aea28ff015366b
Contents?: true
Size: 960 Bytes
Versions: 5
Compression:
Stored size: 960 Bytes
Contents
// This code exercises the surface area that we expect of the Error generic
// member access API. If the current toolchain is able to compile it, then
// anyhow is able to provide backtrace support.
#![feature(error_generic_member_access)]
use core::error::{self, Error, Request};
use core::fmt::{self, Debug, Display};
use std::backtrace::Backtrace;
struct MyError(Thing);
struct Thing;
impl Debug for MyError {
fn fmt(&self, _formatter: &mut fmt::Formatter) -> fmt::Result {
unimplemented!()
}
}
impl Display for MyError {
fn fmt(&self, _formatter: &mut fmt::Formatter) -> fmt::Result {
unimplemented!()
}
}
impl Error for MyError {
fn provide<'a>(&'a self, request: &mut Request<'a>) {
request.provide_ref(&self.0);
}
}
const _: fn(&dyn Error) -> Option<&Backtrace> = |err| error::request_ref::<Backtrace>(err);
// Include in sccache cache key.
const _: Option<&str> = option_env!("RUSTC_BOOTSTRAP");
Version data entries
5 entries across 5 versions & 1 rubygems