aqua M

export getObj

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

service OpStr("op"):
    identity(n: string) -> string

service OpArr("op"):
    identity(arr: []string) -> []string

data InnerObj:
    arr: []string
    num: u32

data SomeObj:
    str: string
    num: u64
    inner: InnerObj

func getObj() -> SomeObj:
    b = SomeObj(str = OpStr.identity("some str"), num = 5, inner = InnerObj(arr = ["a", "b", "c"], num = 6))
    c = b.copy(str = "new str", inner = b.inner.copy(num = 3))
    <- c