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//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
//
use crate::NodeId;
/// A Node in the DAG, holding the data.
pub trait Node {
type Id: NodeId;
fn parent_ids(&self) -> Vec<Self::Id>;
}
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