module Code_tuple: sig .. end
val build_input_tuple_code : Code_selection_context.code_selection_context ->
       Algebra_type.algop_expr ->
       Algebra_type.alg_eval_code_dep *
       Code_selection_context.code_selection_context
val build_create_tuple_code : Code_selection_context.code_selection_context ->
       Algebra_type.algop_expr ->
       (Xquery_algebra_ast.asequencetype option * Xquery_common_ast.crname) array ->
       Algebra_type.alg_eval_code_dep *
       Code_selection_context.code_selection_context
val build_access_tuple_code : Code_selection_context.code_selection_context ->
       Algebra_type.algop_expr ->
       Xquery_common_ast.crname ->
       Algebra_type.alg_eval_code_dep *
       Code_selection_context.code_selection_context
val build_tuple_concat_code : Code_selection_context.code_selection_context ->
       Algebra_type.algop_expr ->
       Algebra_type.alg_eval_code_dep *
       Code_selection_context.code_selection_context
val build_tuple_product_code : Code_selection_context.code_selection_context ->
       Algebra_type.algop_expr ->
       Algebra_type.alg_eval_code_dep *
       Code_selection_context.code_selection_context
val build_tuple_select_code : Code_selection_context.code_selection_context ->
       Algebra_type.algop_expr ->
       Xquery_algebra_ast.predicate_desc ->
       Algebra_type.alg_eval_code_dep *
       Code_selection_context.code_selection_context