Is the following use of next() allowed?

The update does not seem to work in this case, even when

changes

changes

changes

changes is a non-empty object. No error is raised, and when I printed the result, it has

{ value : null, done : true }

{ value : null, done : true }

{ value : null, done : true }

{ value : null, done : true }.

    const changes = { ... }
    let v0 = g.V(0);
    if (!(await v0.next()).value) {
        throw Error("Vertex not found.")
    }
    for (const [key, value] of Object.entries(changes)) {
        v0 = v0.property(key, value);
    }
    await v0.next();

    const changes = { ... }
    let v0 = g.V(0);
    if (!(await v0.next()).value) {
        throw Error("Vertex not found.")
    }
    for (const [key, value] of Object.entries(changes)) {
        v0 = v0.property(key, value);
    }
    await v0.next();

    const changes = { ... }
    let v0 = g.V(0);
    if (!(await v0.next()).value) {
        throw Error("Vertex not found.")
    }
    for (const [key, value] of Object.entries(changes)) {
        v0 = v0.property(key, value);
    }
    await v0.next();

    const changes = { ... }
    let v0 = g.V(0);
    if (!(await v0.next()).value) {
        throw Error("Vertex not found.")
    }
    for (const [key, value] of Object.entries(changes)) {
        v0 = v0.property(key, value);
    }
    await v0.next();

Solution

It turns out, no, that's not allowed. It seems like

done: true

done: true

done: true

done: true signifies that the traversal sequence was already committed and I'm doing basically nothing.

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Is the following use of next() allowed?

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