{"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"|"}]}
                | (((debug_hex == Some(FormatDebugHex::Upper)) as u32) << 5);
                | (((debug_hex == Some(FormatDebugHex::Lower)) as u32) << 4)
            let flags = self.alloc_expr_desugared(Expr::Literal(Literal::Uint(