Function render

Lib/asyncio/tools.py:166–174

(node, prefix="", last=True, buf=None)

        return f"{flag} {labels[node]}"

    def render(node, prefix="", last=True, buf=None):
        if buf is None:
            buf = []
        buf.append(f"{prefix}{'└── ' if last else '├── '}{pretty(node)}")
        new_pref = prefix + ("    " if last else "│   ")
        kids = children.get(node, [])
        for i, kid in enumerate(kids):
            render(kid, new_pref, i == len(kids) - 1, buf)
        return buf

    return [render(root) for root in _roots(labels, children)]