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gronom
2020 Sep 06
8
some questions about R internal SEXP types
...d SEXP value
rather than just a C NULL. Also, whether C NULL is used to any great
extent within the internal code. Note that the Go API provides a
mechanism to easily reconvert the nil's used back to a R_NilValue when
returning from a Go function[3].
thanks
Dan Kortschak
[1]https://github.com/rgonomic/rgo
[2]https://github.com/rgonomic/rgo/issues/1
[3]https://pkg.go.dev/github.com/rgonomic/rgo/sexp?tab=doc#Value.Export
2020 Sep 08
0
some questions about R internal SEXP types
...fine to cover only a subset, if that is
already useful to write some extensions in Go. Maintenance would be
easiest if Go programs didn't call back into the R runtime at all, so
fewer calls the better for maintenance.
Best
Tomas
>
> Dan
>
> [1]
>
>
> https://github.com/rgonomic/rgo/blob/2ce7717c85516bbfb94d0b5c7ef1d9749dd1f817/sexp/r_internal.go#L86-L118
>
> On Tue, 2020-09-08 at 11:07 +0200, Tomas Kalibera wrote:
>> The general principle is that R packages are only allowed to use what
>> is
>> documented in the R help (? command) and in Writing...
2020 Sep 08
0
some questions about R internal SEXP types
.... Also, whether C NULL is used to any great
> extent within the internal code. Note that the Go API provides a
> mechanism to easily reconvert the nil's used back to a R_NilValue when
> returning from a Go function[3].
>
> thanks
> Dan Kortschak
>
> [1]https://github.com/rgonomic/rgo
> [2]https://github.com/rgonomic/rgo/issues/1
> [3]https://pkg.go.dev/github.com/rgonomic/rgo/sexp?tab=doc#Value.Export
>
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