for Haskell: describe how the following function someFunc works. someFunc [] = [] someFunc (x:xs) = (length $ x : takeWhile (==x) xs, x) : someFunc (dropWhile (==x) xs)

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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for Haskell:

describe how the following function someFunc works.

someFunc [] = []
someFunc (x:xs) = (length $ x : takeWhile (==x) xs, x)
: someFunc (dropWhile (==x) xs)
Expert Solution
Step 1

Haskell:-

Haskell is a purely functional, statically typed, and lazy programming language. It is an advanced, purely functional programming language offering strong static typing, static polymorphism, and lazy evaluation. It supports a variety of programming paradigms, including imperative, object-oriented, and functional programming. Haskell is syntactically similar to the language Miranda, but with a few notable differences. The most significant of these differences is that Haskell is lazy, meaning that it evaluates expressions only when they are needed, rather than eagerly evaluating them as soon as they are encountered. This allows for highly efficient programs and allows for the use of sophisticated optimization techniques.

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