On Thu, Mar 29, 2012 at 2:18 PM, Dirk Eddelbuettel <e...@debian.org> wrote: > > On 29 March 2012 at 18:51, Patrick Burns wrote: > | On 29/03/2012 18:33, Dirk Eddelbuettel wrote: > | > > | > On 29 March 2012 at 19:12, Romain Francois wrote: > | > | Le 28/03/12 13:56, Ulrich Bodenhofer a écrit : > | > |> Hi, > | > |> > | > |> My question is the following: is there any way of checking in whether > a > | > |> component of an Rcpp list (or vector) with a given name exists in this > | > |> list. If I simply try accessing a non-existing component, I get an > | > |> "index out of bounds" error. Trying to catch a possible exception did > | > |> not work either. I also browsed the Rcpp package source code, but > | > |> unfortunately I got lost. Sorry if this has been addressed on this > list > | > |> before. At least I googled in many different ways, but could not find > | > |> anything. Any ideas? Any help is gratefully appreciated! > | > |> > | > |> Thanks and best regards, > | > |> Ulrich > | > | > | > | Hello, > | > | > | > | I commited the has_element_called method on the Vector template (vectors > | > | of all sorts, incl lists). > | > > | > +1, but how about just calling it 'contains' rather 'has_element_called' ? > | > | I think 'contains' would imply a value > | in the vector rather than a name. The > | extra typing might be worth avoiding > | that confusion. > > While that is true, it cannot deflect away from the fact that Hadley and I > are in a deadly mano-a-mano battle about the extended use, or, in my case, > strict avoidance, of underscores. That is /extremely serious/ business.
I should say so -- an underscore requires the poor innocent (Mac) typist to press three keys simultaneously! Michael > > So how about hasElementCalled() then? > > Or given that these are 'names' how about > > hasElementNamed() > > pr maybe > > containsName() > > > Dirk > > -- > R/Finance 2012 Conference on May 11 and 12, 2012 at UIC in Chicago, IL > See agenda, registration details and more at http://www.RinFinance.com > _______________________________________________ > Rcpp-devel mailing list > Rcpp-devel@lists.r-forge.r-project.org > https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/rcpp-devel _______________________________________________ Rcpp-devel mailing list Rcpp-devel@lists.r-forge.r-project.org https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/rcpp-devel
