function XTake(n, xf) {
    this.xf = xf;
    this.n = n;
    this.i = 0;
  }
Returns all but the first `n` elements of the given list, string, or
transducer/transformer (or object with a `drop` method).

Dispatches to the `drop` method of the second argument, if present.

@func
@memberOf R
@since v0.1.0
@category List
@sig Number -> [a] -> [a]
@sig Number -> String -> String
@param {Number} n
@param {*} list
@return {*} A copy of list without the first `n` elements
@see R.take, R.transduce, R.dropLast, R.dropWhile
@example

     R.drop(1, ['foo', 'bar', 'baz']); //=> ['bar', 'baz']
     R.drop(2, ['foo', 'bar', 'baz']); //=> ['baz']
     R.drop(3, ['foo', 'bar', 'baz']); //=> []
     R.drop(4, ['foo', 'bar', 'baz']); //=> []
     R.drop(3, 'ramda');               //=> 'da'