On Mon, 2 Dec 2019, Sven Schreiber wrote:
> a mild problem here with nested R stuff:
>
> <hansl>
>
> set R_functions on
> foreign language=R
> ckR2 <- function(){0}
> ckR1 <- function(){}
> end foreign
>
> eval R.ckR2() # works
>
> function void wrap(void)
> R.ckR2() # works !
> # R.ckR1() # would fail
> end function
> wrap()
>
> R.ckR2() # fails
>
> </hansl>
>
> So the problem seems to be relatively complex, depending both on the
> existence of a return value in R and whether or not the call is "on the
> left-hand side" or within a function.
Gretl definitely expects a return value from an R function, so
R.ckR1() is going to fail regardless of the calling context.
But here, with current R and gretl, your R.ckR2() doesn't fail at any
point (inside wrap or outside). What error are you getting?
Allin
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