syntax_data: {"ast_node_type":"variable","tokens":[{"end":83,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:         let (destination, call) = parse_by_kind!(self, args[0], _, "function call",
context_before:     fn parse_call(&self, args: &[ExprId]) -> PResult<TerminatorKind<'tcx>> {
context_after:             ExprKind::Assign { lhs, rhs } => (*lhs, *rhs),