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 
> about.me/mindbound 
>
>
> 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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