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//! It's possible to call a Salsa query from within a cycle initial fn.
#[salsa::tracked]
fn initial_value(_db: &dyn salsa::Database) -> u32 {
0
}
#[salsa::tracked(cycle_fn=cycle_fn, cycle_initial=cycle_initial)]
fn query(db: &dyn salsa::Database) -> u32 {
let val = query(db);
if val < 5 {
val + 1
} else {
val
}
}
fn cycle_initial(db: &dyn salsa::Database) -> u32 {
initial_value(db)
}
fn cycle_fn(
_db: &dyn salsa::Database,
_value: &u32,
_count: u32,
) -> salsa::CycleRecoveryAction<u32> {
salsa::CycleRecoveryAction::Iterate
}
#[test_log::test]
fn the_test() {
let db = salsa::DatabaseImpl::default();
assert_eq!(query(&db), 5);
}
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