syntax_data: {"ast_node_type":"other","tokens":[{"end":46,"kind":"keyword","start":0,"text":"|"}]}
source_snippet:                     | StatementKind::Coverage(
context_before:                     | StatementKind::Assign(box (_, Rvalue::Ref(_, BorrowKind::Fake(_), _)))
context_after:                         // These kinds of coverage statements are markers inserted during