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24 lines
476 B
Rust
24 lines
476 B
Rust
trait Db: salsa::DbWithJar<Jar> {}
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#[salsa::jar(db = Db)]
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struct Jar(TokenTree);
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#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)]
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enum Token {}
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impl salsa::DebugWithDb<dyn Db + '_> for Token {
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fn fmt(
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&self,
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_f: &mut std::fmt::Formatter<'_>,
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_db: &dyn Db,
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_include_all_fields: bool,
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) -> std::fmt::Result {
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unreachable!()
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}
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}
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#[salsa::tracked(jar = Jar)]
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struct TokenTree {
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#[return_ref]
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tokens: Vec<Token>,
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}
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