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(* Generic Michelson building functions *)

open Tezos_micheline.Micheline
open Protocol.Alpha_context.Script

let seq ~loc l = Seq (loc, l)

let pair ~loc a b = Prim (loc, D_Pair, [a; b], [])

let none ~loc () = Prim (loc, D_None, [], [])

let some ~loc a = Prim (loc, D_Some, [a], [])

let left ~loc a = Prim (loc, D_Left, [a], [])

let right ~loc b = Prim (loc, D_Right, [b], [])

let int ~loc i = Int (loc, i)

let bytes ~loc s = Bytes (loc, s)

let unit_t ~loc = Prim (loc, T_unit, [], [])

let unit ~loc = Prim (loc, D_Unit, [], [])

let lambda_from_string code =
  Tezos_micheline.Micheline_parser.no_parsing_error
  @@ Michelson_v1_parser.parse_expression code
  >|? fun parsed -> root Michelson_v1_parser.(parsed.expanded)

let lambda_t ~loc param res = Prim (loc, T_lambda, [param; res], [])

let operation_t ~loc = Prim (loc, T_operation, [], [])

let operations_t ~loc = Prim (loc, T_list, [operation_t ~loc], [])