Ruby equivalent of Python's list() for enumerables

Question

In Python, we can use the list() method on an enumerable to create an ordered list based on the enumerator's items. How would you accomplish this in a Ruby enumerable?

This is currently what I'm using, but it feels a bit hack-ish:

data = []
e = # .. enumerable ..
e.each do |d|
  data << d
end

Answer 1

You can do Array(list) :

(1..10).to_a #=> [1,2,3,4,5,6,7,8,9,10]

Same for other iterables

my_array.to_a

Answer 2

try this out:--

e = # .. enumerable ..
e.to_a

or

e.entries

Answer 3

If you want to be clever, you could also play with several other enumerable methods. For example:

enumerable.map { | x | x }

enumerable.select { true }

...or my personal favorite,

enumerable.inject( [ ] ) { | c, i | c + [ i ] }

Answer 4

In Python list("a") results in a list; in Ruby "a".to_a gives an error. The splat operator called an an 'unsplattableobject results in the object itself. So maybe this is more equivalent to Pythonslist`:

a = ("a".."f").each_cons(2)
[*a] #=> [["a", "b"], ["b", "c"], ["c", "d"], ["d", "e"], ["e", "f"]]

[*"a"] #=> ["a"]