379ae12a1d
It was used for deduplicating some errors for legacy code which are mostly deduplicated even without that, but at cost of global mutable state, which is not a good tradeoff.
26 lines
555 B
Rust
26 lines
555 B
Rust
#![warn(missing_fragment_specifier)]
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macro_rules! used_arm {
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( $( any_token $field_rust_type )* ) => {};
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//~^ ERROR missing fragment
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//~| WARN missing fragment
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//~| WARN this was previously accepted
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}
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macro_rules! used_macro_unused_arm {
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() => {};
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( $name ) => {};
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//~^ WARN missing fragment
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//~| WARN this was previously accepted
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}
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macro_rules! unused_macro {
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( $name ) => {};
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//~^ WARN missing fragment
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//~| WARN this was previously accepted
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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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