#foldleft

#foldleft

Using foldLeft in Scala can offer a more efficient alternative to map/sum approach for certain algorithms.

There are multiple ways to implement a sum of the squares algorithm in Scala, showcasing the flexibility and readability of the language.

The code snippet is an example of counting the occurrences of unique elements in a list of objects.

The code uses foldLeft and mutable Map to efficiently count the elements.