# Re: Initialisation of a record

```Thanks! That solves that.

Arets Paeglis
```

On Wed, Oct 19, 2016 at 6:22 AM, gmhwxi <gmh...@gmail.com> wrote:
> RT(Any) is a type (not a value).
>
> You need something like:
>
> extern
> fun RT_of_int : {n:int} int(n) -> RT(n)
>
> val m = @{ rt = RT_of_int(0) } : M
>
> On Tuesday, October 18, 2016 at 11:03:31 PM UTC-4, Arets Paeglis wrote:
>>
>> You're correct, although that didn't solve the issue itself (type
>> checking still fails with the same error).
>>
>> Arets Paeglis
>>
>>
>> On Wed, Oct 19, 2016 at 5:47 AM, gmhwxi <...> wrote:
>> >
>> > {a:int} means universal quantification.
>> > What you need is probably existential quantification:
>> >
>> >
>> > typedef M = @{
>> >    rt = [a:int] RT(a)
>> > }
>> >
>> >
>> >
>> > On Tuesday, October 18, 2016 at 10:44:11 PM UTC-4, Arets Paeglis wrote:
>> >>
>> >> Hi,
>> >>
>> >> Assuming we have a record and its supporting definitions as follows,
>> >> abst@ype RT(int) = int
>> >> stadef Any = 0
>> >>
>> >> typedef M = @{
>> >>     rt = {a: int} RT(a)
>> >> }
>> >>
>> >> what is the proper way of initialising a value of type M? Doing
>> >>
>> >> val m = @{ rt = RT(Any) } : M
>> >>
>> >> fails with error(2): the dynamic identifier [ReturnType] is
>> >> unrecognized.
>> >>
>> >> What am I doing wrong? Thanks in advance.
>> >
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