42584d36f6
Carrier trait (third attempt) This adds a `Carrier` trait to operate with `?`. The only public implementation is for `Result`, so effectively the trait does not exist, however, it ensures future compatibility for the `?` operator. This is not intended to be used, nor is it intended to be a long-term solution. Although this exact PR has not been through Crater, I do not expect it to be a breaking change based on putting numerous similar PRs though Crater in the past. cc: * [? tracking issue](https://github.com/rust-lang/rust/issues/31436) * [previous PR](https://github.com/rust-lang/rust/pull/35056) * [RFC issue](https://github.com/rust-lang/rfcs/issues/1718) for discussion of long-term Carrier trait solutions. r? @nikomatsakis |
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| .. | ||
| codegen | ||
| codegen-units | ||
| compile-fail | ||
| compile-fail-fulldeps | ||
| debuginfo | ||
| incremental | ||
| mir-opt | ||
| parse-fail | ||
| pretty | ||
| run-fail | ||
| run-fail-fulldeps | ||
| run-make | ||
| run-pass | ||
| run-pass-fulldeps | ||
| run-pass-valgrind | ||
| rustdoc | ||
| ui | ||