syntax_data: {"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"Ok(StatementKind::Assign(Box::new((lhs,"}]}
source_snippet:                 Ok(StatementKind::Assign(Box::new((lhs, rhs))))
context_before:                 let rhs = self.parse_rvalue(*rhs)?;
context_after:             },