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This was attempted in [1] then reverted in [2] because of fallout. Recently, this was made an edition-dependent error in [3]. Make missing fragment specifiers an unconditional error again. [1]: https://github.com/rust-lang/rust/pull/75516 [2]: https://github.com/rust-lang/rust/pull/80210 [3]: https://github.com/rust-lang/rust/pull/128006
16 lines
497 B
Plaintext
16 lines
497 B
Plaintext
error: missing fragment specifier
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--> $DIR/issue-39404.rs:4:6
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LL | ($i) => {};
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| ^^
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= note: fragment specifiers must be provided
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= help: valid fragment specifiers are `ident`, `block`, `stmt`, `expr`, `pat`, `ty`, `lifetime`, `literal`, `path`, `meta`, `tt`, `item` and `vis`, along with `expr_2021` and `pat_param` for edition compatibility
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help: try adding a specifier here
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LL | ($i:spec) => {};
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| +++++
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error: aborting due to 1 previous error
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