From btyner at gmail.com  Sat Nov 10 02:26:04 2012
From: btyner at gmail.com (Benjamin Tyner)
Date: Fri, 09 Nov 2012 20:26:04 -0500
Subject: [Rd] built-in NAMED(obj) from within R
In-Reply-To: <CABdHhvFMGGU_jFSeYq8i4C1vH9=poJ21PJv1eO=S0wFm76e=uQ@mail.gmail.com>
References: <CABdHhvFMGGU_jFSeYq8i4C1vH9=poJ21PJv1eO=S0wFm76e=uQ@mail.gmail.com>
Message-ID: <509DAD2C.5070500@gmail.com>

Thanks Matthew and Hadley; that is exactly what I was looking for, and them some.

Regards,
Ben

> >>/ The goal is to ascertain whether a copy of an object has been made.
> />/
> />/ Then :
> />/
> />/     ?tracemem
> />/
> />/ One demonstration of using both together is here :
> />/
> />/     http://stackoverflow.com/a/10312843/403310
> /
> Note that tracemem detects duplications (in a technical R sense), not
> copies - i.e.
>
> x <- 1:10
> tracemem(x)
> x[11] <- 11L
>
> although all the individual elements are copied, the vector is not
> duplicated.  This confused me at first, so I thought I'd point it out.
>
> Hadley
>
> -- 
> RStudio / Rice University
> http://had.co.nz/



[Rd] built-in NAMED(obj) from within R
Benjamin Tyner