when do you want to set up new environments in R

Question

per the discussion of R programming styles, I saw someone once said he puts all his custom function into a new environment and attach it. I also remember R environment maybe use

Answer 1

To answer your second question (that you've now deleted), use ls.str, or just access the object in the environment with $:

.myEnv <- new.env()
.myEnv$a <- 2
a <- 1
str(a)
ls.str(.myEnv, a)
str(.myEnv$a)