In sml 1. Use  pattern style to write a function posLL to count number of positive values ina int list list. One function only.  posLL [nil, [~2,3], [5], [~7,11]] > 3 2.Use pattern style to write a function sumTL to compute sum of a triple int list. One function only.  sumTL([(1,2,3), (0,1,2)]) > 9. 3 .Use pattern style to write a function db to double an integer list. One function only.  db([2,3,5]), > [4,6,10]

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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In sml

1. Use  pattern style to write a function posLL to count number of positive values ina int list list. One function only. 

posLL [nil, [~2,3], [5], [~7,11]] > 3

2.Use pattern style to write a function sumTL to compute sum of a triple int list. One function only. 

sumTL([(1,2,3), (0,1,2)]) > 9.

3 .Use pattern style to write a function db to double an integer list. One function only. 

db([2,3,5]), > [4,6,10]

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