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23 lines
494 B
Rust
23 lines
494 B
Rust
use query_group_macro::query_group;
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#[query_group]
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pub trait DatabaseOne: salsa::Database {
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#[salsa::input]
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fn input_string(&self) -> String;
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// unadorned query
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fn length(&self, key: ()) -> usize;
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}
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#[query_group]
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pub trait DatabaseTwo: DatabaseOne {
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fn second_length(&self, key: ()) -> usize;
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}
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fn length(db: &dyn DatabaseOne, _key: ()) -> usize {
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db.input_string().len()
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}
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fn second_length(db: &dyn DatabaseTwo, _key: ()) -> usize {
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db.input_string().len()
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}
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