True, but in a lot of cases where a python user might use a dict an R user will probably use a list; or when we are talking about arrays of dicts in python, the R solution will probably be a data.frame (with each dict field in a separate column).

Jan




On 02-11-2021 11:18, Eric Berger wrote:
One choice is
new.env(hash=TRUE)
in the base package



On Tue, Nov 2, 2021 at 11:48 AM Yonghua Peng <y...@pobox.com> wrote:

I know this is a newbie question. But how do I implement the hash structure
which is available in other languages (in python it's dict)?

I know there is the list, but list's names can be duplicated here.

x <- list(x=1:5,y=month.name,x=3:7)

x

$x

[1] 1 2 3 4 5


$y

  [1] "January"   "February"  "March"     "April"     "May"       "June"

  [7] "July"      "August"    "September" "October"   "November"  "December"


$x

[1] 3 4 5 6 7



Thanks a lot.

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