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| author | bors[bot] <26634292+bors[bot]@users.noreply.github.com> | 2019-09-15 08:10:16 +0100 |
|---|---|---|
| committer | GitHub <[email protected]> | 2019-09-15 08:10:16 +0100 |
| commit | 2d79a1ad83cc39075c7c9e3230973013c8c58b17 (patch) | |
| tree | e394007f715f8586c737db8f20f2d8f16f8913af /docs/dev | |
| parent | bcdba777bdc43762cff73ac3ded4ae737a503692 (diff) | |
| parent | 0956323bb7b728da6bff4ad7241a542f4bb4e8e6 (diff) | |
Merge #1848
1848: Parse `..` as a full pattern r=matklad a=ecstatic-morse
Resolves #1479.
This PR implements [RFC 2707](https://github.com/rust-lang/rfcs/pull/2707) in the parser. It introduces a new `DotDotPat` AST node modeled on `PlaceholderPat` and changes the parsing of tuple and slice patterns to conform to the RFC.
Notably, this PR does *not* change the resulting AST when `..` appears in a struct pattern (e.g. `Struct { a, b: c, .. }`). I *think* this is the behavior mandated by RFC 2707, but someone should confirm this.
Co-authored-by: Dylan MacKenzie <[email protected]>
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