syntax_data: {"ast_node_type":"variable","tokens":[{"end":50,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:                 let lhs = self.parse_place(*lhs)?;
context_before:             ExprKind::Assign { lhs, rhs } => {
context_after:                 let rhs = self.parse_rvalue(*rhs)?;