Ruby Iterate Array In Reverse

Ruby arrays have a reverse method which can reverse the order of the elements in an array.

Ruby iterate array in reverse.

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. However ruby makes it a cinch. In other languages iterating in the opposite direction can be kind of a pain in the well you know.

The uniq method returns a new array with all duplicate values removed. Ruby array reverse each function last updated. You could iterate through the array and filter out the duplicates but ruby s uniq method makes that a lot easier. Here we are going to learn about the array reverse each method with example in ruby programming language.

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. Returns a new array. You can use the array reverse method to reverse the order of the elements in the array before iterating over them. The second form creates a copy of the array passed as a parameter the array is generated by calling to ary on the parameter.