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Add both variants of half open range patterns to the grammar#37
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bors[bot] merged 2 commits intorust-analyzer:masterfrom Aug 13, 2021
Merged
Add both variants of half open range patterns to the grammar#37bors[bot] merged 2 commits intorust-analyzer:masterfrom
bors[bot] merged 2 commits intorust-analyzer:masterfrom
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matklad
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Aug 4, 2021
| // 1..2 | ||
| | start:Pat op:('..' | '..=') end:Pat | ||
| // ..2 | ||
| | op:('..' | '..=') end:Pat |
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Let's fold this into the same case, like we did for RangeExpr
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These are slightly semantically different: what I wrote here is 1..2 or 1.. or ..2 but not ... rustc will syntax error if you put .., although it will tell you what you did wrong:
error: `..` patterns are not allowed here
--> src/main.rs:3:9
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3 | .. => 4,
| ^^
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= note: only allowed in tuple, tuple struct, and slice patterns
Contributor
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could you also bump version in Cargo.toml to get this released? |
This is prompted by rust-lang/rust-analyzer#9779, but it is not actually a prerequisite of making that one happen as this commit doesn't change the generated code on the r-a side.
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Author
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bors r+ |
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Build succeeded: |
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This is prompted by
rust-lang/rust-analyzer#9779, but it
is not actually a prerequisite of making that one happen as this commit
doesn't change the generated code on the r-a side.
Relevant PR (that does not require this one be merged immediately/a release made): rust-lang/rust-analyzer#9780