syntax_data: {"ast_node_type":"other","tokens":[{"end":57,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// some ancestor scope instead of the current scope.
context_before:     /// This is similar to [diverge_cleanup](Self::diverge_cleanup) except its target is set to
context_after:     /// It is possible to unwind to some ancestor scope if some drop panics as