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use query_group_macro::query_group;
#[salsa::db]
pub trait SourceDb: salsa::Database {
/// Text of the file.
fn file_text(&self, id: usize) -> String;
}
#[query_group]
pub trait RootDb: SourceDb {
#[salsa::invoke_interned(parse)]
fn parse(&self, id: usize) -> String;
}
fn parse(db: &dyn RootDb, id: usize) -> String {
// this is the test: does the following compile?
db.file_text(id);
String::new()
}
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