Just reference the objects in the list:
do_something<-function(L){
lst$a+lst$b+lst$df+lst$g
}
do_something(lst)
On Sun, Nov 25, 2012 at 8:24 PM, Ally <[email protected]> wrote:
> I'd like to pass a list object created by one function as an argument of
> another function. once inside the second function, I'd like to break the
> list up to it's individual elements, each then identifiable by the 'names'
> of the list.
>
> The list looks something like
>
> lst<-list(a=1, b=2, df=5, g=7)
>
> then inside the function I've been writing a sequence of statements that
> extract the objects within lst like
>
> do_something<-function(L){
> a<-lst$a
> b<-lst$b
> df<-lst$df
> g<-lst$g
> a+b+df+g
> }
> do_something(lst)
>
> My question is, is it possible to avoid the above sequence of statements,
> and achieve the same thing with a single line of code? Perhaps this would
> be bad programming practise, as you can't 'see' where objects in the
> function are coming from?
>
> Thanks,
>
> alastair
>
>
>
>
>
>
>
> --
> View this message in context:
> http://r.789695.n4.nabble.com/Passing-lists-between-functions-tp4650792.html
> Sent from the R help mailing list archive at Nabble.com.
>
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
--
Jim Holtman
Data Munger Guru
What is the problem that you are trying to solve?
Tell me what you want to do, not how you want to do it.
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