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
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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 [] = []
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