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| author | bors <bors@rust-lang.org> | 2018-12-01 12:45:52 +0000 |
|---|---|---|
| committer | bors <bors@rust-lang.org> | 2018-12-01 12:45:52 +0000 |
| commit | d311571906bd2b22e206b9a84ccb888e248820df (patch) | |
| tree | 15de266b8c52d7b39700d344996438d3433dc66b /src/libstd/sys/unix/stack_overflow.rs | |
| parent | d3ed34824c31f303b98855fee6fc9213dff1f295 (diff) | |
| parent | 549bd45e9eb13e501416e17887b65ad4189ebe6b (diff) | |
| download | rust-d311571906bd2b22e206b9a84ccb888e248820df.tar.gz rust-d311571906bd2b22e206b9a84ccb888e248820df.zip | |
Auto merge of #55275 - petrochenkov:extself, r=eddyb
experiment: Support aliasing local crate root in extern prelude This PR provides some minimally invasive solution for the 2018 edition migration issue described in https://github.com/rust-lang/rust/issues/54647 and affecting proc macro crates. `extern crate NAME as RENAME;` now accepts `NAME`=`self` and interprets it as referring to the local crate. As with other `extern crate` items, `RENAME` in this case gets into extern prelude in accordance with https://github.com/rust-lang/rust/pull/54658, thus resolving https://github.com/rust-lang/rust/issues/54647. ```rust extern crate self as serde; // Adds local crate to extern prelude as `serde` ``` This solution doesn't introduce any new syntax and has minimal maintenance cost, so it can be easily deprecated if something better is found in the future. Closes https://github.com/rust-lang/rust/issues/54647
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