import "@fluencelabs/aqua-lib/builtin.aqua"
-- import "run-builtins.aqua"

data StructType:
  numField: u32
  arrField: []string

service OpString("op"):
  identity(s: string) -> string

service OpNumber("op"):
  identity(n: u32) -> u32

service OpStruct("op"):
  identity(st: StructType)  -> StructType
  noop()

func parseBug():
    stream: *string
    if stream[0] != "FOO":
        Op.noop()

func identityArgsAndReturn (structArg: StructType, stringArg: string, numberArg: u32) -> string, u32, StructType:
  on HOST_PEER_ID:
    sArg <- OpString.identity(stringArg)
    nArg =  OpNumber.identity (numberArg)  +   OpNumber.identity (numberArg)
    stArg <- OpStruct.identity(structArg)
  -- it could be used only on init_peer_id
  <- sArg, nArg, stArg

service Ssss("ss"):
  foo4: u64 -> u16

func aaa(a: u64) -> u16:
  res <- Ssss.foo4(a)
  <- res

func bar(callback: u32 -> u32):
  callback(1)

func baz():
  bar(aaa)