{"ast_node_type":"variable","tokens":[{"end":100,"kind":"keyword","start":0,"text":"if"}]}
        if let Some(Expr { kind: ExprKind::Assign(lhs, ..), .. }) = self.diag_metadata.in_assignment
        // only suggest when the code is a assignment without prefix code
            && let ast::ExprKind::Path(None, ref path) = lhs.kind