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Carry group content across memo seams in an owned form

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This commit is contained in:
Dennis Kobert
2026-08-27 11:27:26 +00:00
parent 20e70e7bc9
commit 92ec2069ad
6 changed files with 394 additions and 41 deletions
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node-graph/nodes/gcore/src/memo.rs
+6 -2
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@@ -359,7 +359,11 @@ mod tests {
let value = unsafe { core_types::record::borrow_element::<Payload>(core_types::record::Rec::new(ptr)) };
Box::new(Payload(value.0.clone(), value.1 + 1))
}
core_types::record::register_deep_element_clone::<Payload>(deep);
unsafe fn deep_repark(value: &(dyn std::any::Any + Send + Sync), dst: *mut u8, arena: &Arena) -> Option<()> {
let value = value.downcast_ref::<Payload>().expect("an element replays at its own type");
unsafe { core_types::record::write_element(dst, Payload(value.0.clone(), value.1 + 1), arena) }
}
core_types::record::register_deep_element_clone::<Payload>(deep, deep_repark);
let arena = Arena::new(4096).unwrap();
let generations = [];
@@ -371,7 +375,7 @@ mod tests {
let memoized = core_types::record::RecordExtract::<Payload, _>::new(memoized, &layout);
assert_eq!(memoized.eval(&ctx), GPoll::Final(Payload("deep".to_string(), 0)), "the miss serves the live value");
assert_eq!(memoized.eval(&ctx), GPoll::Final(Payload("deep".to_string(), 1)), "the hit replays the deep copy");
assert_eq!(memoized.eval(&ctx), GPoll::Final(Payload("deep".to_string(), 2)), "the hit replays through both halves of the deep glue");
}
#[test]