[R] Passing lists between functions

[Ally]

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







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