From i.ucar86 at gmail.com  Thu Nov 30 14:04:37 2017
From: i.ucar86 at gmail.com (=?UTF-8?B?ScOxYWtpIMOaY2Fy?=)
Date: Thu, 30 Nov 2017 14:04:37 +0100
Subject: [Rd] binary form of is() contradicts its unary form
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2017-11-30 13:26 GMT+01:00 Suzen, Mehmet <mehmet.suzen at gmail.com>:
> On 30 November 2017 at 11:37, I?aki ?car <i.ucar86 at gmail.com> wrote:
>> 2017-11-30 3:14 GMT+01:00 Suzen, Mehmet <mehmet.suzen at gmail.com>:
>>> My understanding is that there is no inconsistency. `is` does what it
>>> claims, from the documentation:
>>>
>>> ?is?: With two arguments, tests whether ?object? can be treated as
>>>           from ?class2?.
>>>
>>>           With one argument, returns all the super-classes of this
>>>           object's class.
>>
>> Note that this is not in the documentation since a year ago.
>>
>
> As far as I understood and gather, starting from methods v3.3.2, the following
> new reference is added:
>
> * Chambers, John M. (2016) Extending R, Chapman & Hall. (Chapters 9 and 10.)
>
> Pushing that details there, I assume.

Am I supposed to read every reference on a man page just to know what
to expect from a function?

I?aki



[Rd] binary form of is() contradicts its unary form
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