René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Allow mention.cluster = another_cluster","articleBody":"Moving a mention from one cluster to another cluster is not supported yet (but it seems @dan-zeman [would like to use it](https://github.com/udapi/udapi-python/pull/96/commits/4b63606129bbe642bf8fec6ec3d3e180a2112e05#diff-cd419721f8faa1a25890db96f1cc928a07be0264103bde2f7c0930607172f4b4R39)). We should:\r\n* remove the `NotImplementedError` in the setter\r\n* add  `self._cluster._mentions.remove(self)`\r\n* decide if `cluster._mentions` should be always sorted (and if yes, add a `sort()`)\r\n* `if self._bridging and new_cluster in self._bridging.targets: raise ValueError(\"Bridge cannot self-reference the same cluster\")`\r\n* make sure there are no other hidden problems","author":{"url":"https://github.com/martinpopel","@type":"Person","name":"martinpopel"},"datePublished":"2022-02-08T17:37:45.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/99/udapi-python/issues/99"}