[R-pkg-devel] import 'as' from another package

[Tim Keitt]

That did it. Thanks Ben.

THK

On Mon, Jul 20, 2020 at 11:36 AM Ben Bolker <bbolker using gmail.com> wrote:

>    I think this is a classic confusing R message.  Try adding methods to
> the Imports: statement in your DESCRIPTION file and see if that helps.
> (Maybe I should file a bug report about that error message - it confuses me
> every time.)
> On 7/20/20 12:34 PM, Tim Keitt wrote:
>
> It works but "check" gives
>
> > checking package dependencies ... ERROR
>   Namespace dependency not required: ‘methods’
>
> THK
>
> On Mon, Jul 20, 2020 at 11:24 AM Ben Bolker <bbolker using gmail.com> wrote:
>
>>     @importFrom methods as
>>
>> ?
>>
>> On 7/20/20 12:06 PM, Tim Keitt wrote:
>> > I have
>> >
>> >    if (!inherits(x, "RasterLayer")) x <- as(x, "RasterLayer")
>> >
>> > in a package and its not finding the coerce definition from the raster
>> > package. I know I need to add an @import roxygen2 directive of some
>> kind,
>> > but I'm not sure the correct syntax. My first try generated a warning
>> that
>> > it was not needed.
>> >
>> > What is the correct way to do this? Or does raster need to export this
>> > definition?
>> >
>> > THK
>> >
>> >       [[alternative HTML version deleted]]
>> >
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