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19 lines
419 B
Rust
19 lines
419 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(&self, _f: &mut std::fmt::Formatter<'_>, _db: &dyn Db) -> 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<'db> {
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#[return_ref]
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tokens: Vec<Token>,
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}
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