[Rd] Surprising behavior of Negate()
    Peter Dalgaard 
    pdalgd at gmail.com
       
    Mon Aug 30 08:50:11 CEST 2010
    
    
  
On 08/30/2010 02:01 AM, Olaf Mersmann wrote:
> This matches 'f' when Negate() is called and not the first time the return
> value is used. If the current behavior is desired, maybe a note in the
> documentation could be added to clarify this peculiarity.
Looks like a classic lazy eval gotcha -- almost never intentional.
Testing your patch now.
-p
-- 
Peter Dalgaard
Center for Statistics, Copenhagen Business School
Phone: (+45)38153501
Email: pd.mes at cbs.dk  Priv: PDalgd at gmail.com
    
    
More information about the R-devel
mailing list