Bug.  Should be fixed (rev 58642) in r-devel and R 2.15.0 alpha.

Thanks.

On 3/7/12 3:30 PM, Hervé Pagès wrote:
Hi,

I wonder if this is a feature or a bug:

> isGeneric("&&")
  Error in genericForPrimitive(f) :
methods may not be defined for primitive function ‘&&’ in this version of R
> isGeneric(":")
  Error in genericForPrimitive(f) :
methods may not be defined for primitive function ‘:’ in this version of R

According to the man page:

     ‘isGeneric’: Is there a function named ‘f’, and if so, is it a
          generic?

So it sounds like it should be a YES or NO answer.

In any case the error message is confusing: it suggests that I'm trying
to define methods for "&&", but I'm not.

This is with R 2.13, R 2.14 and R 2.15.0 alpha.

Thanks,
H.


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