blob: f36e7fdbebf7fff423b4784e3f59ed7a1381c67e [file] [log] [blame]
use query_group_macro::query_group;
#[query_group]
pub trait DatabaseOne: salsa::Database {
#[salsa::input]
fn input_string(&self) -> String;
// unadorned query
#[salsa::invoke_interned(length)]
fn length(&self, key: ()) -> usize;
}
#[query_group]
pub trait DatabaseTwo: DatabaseOne {
#[salsa::invoke_interned(second_length)]
fn second_length(&self, key: ()) -> usize;
}
fn length(db: &dyn DatabaseOne, _key: ()) -> usize {
db.input_string().len()
}
fn second_length(db: &dyn DatabaseTwo, _key: ()) -> usize {
db.input_string().len()
}