syntax_data: {"ast_node_type":"other","tokens":[{"end":45,"kind":"keyword","start":0,"text":"TerminatorKind::Assert"}]}
source_snippet:                 TerminatorKind::Assert { .. }
context_before:                 self.cfg.block_data(start).terminator().kind,
context_after:                     | TerminatorKind::Call { .. }