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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
20 lines
421 B
Rust
20 lines
421 B
Rust
//! Ensure that macros produce an error if fragment specifiers are missing.
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macro_rules! used_arm {
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( $( any_token $field_rust_type )* ) => {}; //~ ERROR missing fragment
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}
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macro_rules! used_macro_unused_arm {
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() => {};
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( $name ) => {}; //~ ERROR missing fragment
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}
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macro_rules! unused_macro {
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( $name ) => {}; //~ ERROR missing fragment
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}
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fn main() {
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used_arm!();
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used_macro_unused_arm!();
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}
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