in Haskell: rewrite the following function in two different ways: 1. as a sequence of transformations using the explicit application operator ($) 2.  as a composition of functions using the "dot" composition operator (.) stringToInt s = reverse [ord x - 48 | x <- s] stringToIntRec x (head : tail) = (x * head) + (stringToIntRec' (x*10) tail) stringToIntRec x [] = []

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
Section: Chapter Questions
Problem 1PE
icon
Related questions
Question

in Haskell:

rewrite the following function in two different ways:

1. as a sequence of transformations using the explicit application operator ($)

2.  as a composition of functions using the "dot" composition operator (.)

stringToInt s = reverse [ord x - 48 | x <- s]
stringToIntRec x (head : tail) = (x * head) + (stringToIntRec' (x*10) tail)
stringToIntRec x [] = []
Expert Solution
steps

Step by step

Solved in 2 steps

Blurred answer
Knowledge Booster
ADT and Class
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.
Similar questions
Recommended textbooks for you
Database System Concepts
Database System Concepts
Computer Science
ISBN:
9780078022159
Author:
Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:
McGraw-Hill Education
Starting Out with Python (4th Edition)
Starting Out with Python (4th Edition)
Computer Science
ISBN:
9780134444321
Author:
Tony Gaddis
Publisher:
PEARSON
Digital Fundamentals (11th Edition)
Digital Fundamentals (11th Edition)
Computer Science
ISBN:
9780132737968
Author:
Thomas L. Floyd
Publisher:
PEARSON
C How to Program (8th Edition)
C How to Program (8th Edition)
Computer Science
ISBN:
9780133976892
Author:
Paul J. Deitel, Harvey Deitel
Publisher:
PEARSON
Database Systems: Design, Implementation, & Manag…
Database Systems: Design, Implementation, & Manag…
Computer Science
ISBN:
9781337627900
Author:
Carlos Coronel, Steven Morris
Publisher:
Cengage Learning
Programmable Logic Controllers
Programmable Logic Controllers
Computer Science
ISBN:
9780073373843
Author:
Frank D. Petruzella
Publisher:
McGraw-Hill Education