Ruby Iterate Array In Reverse

In the first form if no arguments are sent the new array will be empty.

Ruby iterate array in reverse.

The uniq method returns a new array with all duplicate values removed. Submitted by hrithik chandra prasad on december 22 2019. These are just a few of the many ways. You could iterate through the array and filter out the duplicates but ruby s uniq method makes that a lot easier.

The second form creates a copy of the array passed as a parameter the array is generated by calling to ary on the parameter. Ruby arrays have a reverse method which can reverse the order of the elements in an array. Reverse each is a array class method which traverses self in reverse order. In the last article we have gone through the use of the array each method you must remember that array each method is used to traverse the array from the first.

Returns a new array. In other languages iterating in the opposite direction can be kind of a pain in the well you know. When a size and an optional default are sent an array is created with size copies of default take notice that all elements will reference the same object default. Ruby array reverse each function last updated.