syntax_data: {"ast_node_type":"other","tokens":[{"end":58,"kind":"keyword","start":0,"text":"hir::ExprKind::Unary(hir::UnOp::Not,"}]}
source_snippet:             hir::ExprKind::Unary(hir::UnOp::Not, arg) => {
context_after:                 if self.typeck_results.is_method_call(expr) {