syntax_data: {"ast_node_type":"import","tokens":[{"end":88,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// reading places that are mentioned in a closure (because of _ patterns). However,
context_before:     /// When performing pattern matching for closures, there are times we don't end up
context_after:     /// to ensure the places are initialized, we introduce fake reads.