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Since [1], the fragment specifier is unconditionally required in all editions. This means `NonTerminalKind` no longer needs to be optional, as we can reject this code during the expansion of `macro_rules!` rather than handling it throughout the code. Do this cleanup here. [1]: https://github.com/rust-lang/rust/pull/128425
44 lines
1.3 KiB
Plaintext
44 lines
1.3 KiB
Plaintext
error: missing fragment specifier
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--> $DIR/macro-match-nonterminal.rs:2:6
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LL | ($a, $b) => {
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| ^^
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= note: fragment specifiers must be provided
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= help: valid fragment specifiers are `ident`, `block`, `stmt`, `expr`, `pat`, `ty`, `lifetime`, `literal`, `path`, `meta`, `tt`, `item` and `vis`, along with `expr_2021` and `pat_param` for edition compatibility
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help: try adding a specifier here
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LL | ($a:spec, $b) => {
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| +++++
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error: missing fragment specifier
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--> $DIR/macro-match-nonterminal.rs:2:10
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LL | ($a, $b) => {
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| ^^
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= note: fragment specifiers must be provided
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= help: valid fragment specifiers are `ident`, `block`, `stmt`, `expr`, `pat`, `ty`, `lifetime`, `literal`, `path`, `meta`, `tt`, `item` and `vis`, along with `expr_2021` and `pat_param` for edition compatibility
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help: try adding a specifier here
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LL | ($a, $b:spec) => {
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| +++++
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error: unexpected end of macro invocation
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--> $DIR/macro-match-nonterminal.rs:10:5
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LL | macro_rules! test {
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| ----------------- when calling this macro
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...
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LL | test!()
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| ^^^^^^^ missing tokens in macro arguments
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note: while trying to match meta-variable `$a:tt`
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--> $DIR/macro-match-nonterminal.rs:2:6
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LL | ($a, $b) => {
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| ^^
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error: aborting due to 3 previous errors
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