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| author | Dylan DPC <dylan.dpc@gmail.com> | 2020-04-25 18:30:22 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-04-25 18:30:22 +0200 |
| commit | 7b7c63cb7732e5ad5eace294b1c7c2f92beef4a2 (patch) | |
| tree | 07ab72a6d8d0adf30ca2fd8dad25739b63a524cc /src/liballoc | |
| parent | b613c989594f1cbf0d4af1a7a153786cca7792c8 (diff) | |
| parent | 966a295e8cc210d7b50185d16cb46a7ae1874531 (diff) | |
| download | rust-7b7c63cb7732e5ad5eace294b1c7c2f92beef4a2.tar.gz rust-7b7c63cb7732e5ad5eace294b1c7c2f92beef4a2.zip | |
Rollup merge of #69041 - petrochenkov:stabmodispan, r=Amanieu
proc_macro: Stabilize `Span::resolved_at` and `Span::located_at` Introduced in https://github.com/rust-lang/rust/pull/47149. Part of https://github.com/rust-lang/rust/issues/54725. Motivation: https://github.com/rust-lang/rust/pull/68716#issuecomment-583918919. Identifiers in proc macros may want to inherit span locations for diagnostics from one tokens (e.g. some tokens from the macro input), but resolve those identifiers from some different location (e.g. from the macro's definition site). This becomes especially important when multiple resolution locations become available with stabilization of [`Span::mixed_site`](https://github.com/rust-lang/rust/pull/68716). Why I think this is the right API for setting span's location and hygiene - https://github.com/rust-lang/rust/pull/69041#issuecomment-586644778. r? @dtolnay
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