syntax_data: {"ast_node_type":"variable","tokens":[{"end":79,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:                 if let ExprKind::Scope { value: arg, .. } = self.thir[arg].kind
context_before:             ExprKind::RawBorrow { arg, .. } => {
context_after:                     && let ExprKind::Deref { arg } = self.thir[arg].kind