Ruby - Array Empty checking
Introduction
To check if it has any items yet, check if array.size or array.length is larger than 0.
Or you can use empty?:
Demo
x = [] puts "x is empty" if x.empty?
Result
Related Topic
- Array
- Accessing the First and Last elements of the array
- Array membership check?
- Reversing the Order of the array's elements
- Array Type
- Arrays Creating
- Create an array of single-quoted strings without typing all the quotation marks
- Array element with yield value
- Using Array.new method
- Multidimensional Arrays
- Using iterator for nested array