librustc: Forbid .. in range patterns.#17584
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pcwalton
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* Use ... instead of .. when matching a range, in preparation for rust-lang/rust#17584 (may not be complete). * Use the new slicing syntax (a[], a[x..y]) if possible. (Currently String::as_slice() is blocked by rust-lang/rust#17502.) * Change deprecated String::push_char() to String::push().
src/libsyntax/parse/parser.rs
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Should be self.eat(&token::DOTDOTDOT)
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I also have a patch for this, so this is a lot of wasted effort. I filed the bug and it was a follow-up to code I had written, so it would have been good to check I didn't have a patch in the works. I am working on the other follow ups btw. r=me with the one comment fixed. |
pcwalton
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This breaks code that looks like:
match foo {
1..3 => { ... }
}
Instead, write:
match foo {
1...3 => { ... }
}
Closes rust-lang#17295.
[breaking-change]
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…29581
This breaks code that looks like:
match foo {
1..3 => { ... }
}
Instead, write:
match foo {
1...3 => { ... }
}
Closes #17295.
r? @nick29581
drbawb
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Ranges must use the `...` syntax as of [rust PR #17584](rust-lang/rust#17584)
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@pcwalton I found a remaining two-dots range pattern in
I think we can also supply a clarifying phrase "(three dots)" there. |
lnicola
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Implement symbol interning infra Will fix rust-lang/rust-analyzer#15590 My unsafe-fu is not the best but it does satisfy miri. There is still some follow up work to do, notably a lot of places using strings instead of symbols/names, most notably the token tree.
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This breaks code that looks like:
Instead, write:
Closes #17295.
r? @nick29581