roots method
Implementation
List<Node<T>> roots({bool bfs = false}) {
final roots = <Node<T>>[];
var graphWalker = GraphWalker<T>(
processRoots: false,
bfs: bfs,
);
graphWalker.walkByNodes<bool>(
[this],
outputsProvider: (step, node) => node._inputs,
process: (step) {
var node = step.node;
if (node.isRoot) {
roots.add(node);
}
return null;
},
);
return roots;
}