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Mapping: map(timesTwo, [2, 4, 5])  map(timesTwo, [8])  map(timesTwo, [])  map(addOne, map(timesTwo, [2, 2, 4, –3]))  map(timesTwo, map (addOne, [2, 2, 4, –3]))    Folding:* Example: foldFromLeft(plus, 7,[1,2] = ((7+1)+2=8+2=10 Example: foldFromRight(plus, 7,[1,2] = (1+(2+7))=1+9=10   foldFromLeft(plus, 7, [3, –8 9])  foldFromLeft(minus, 7, [3, –8, 9])  foldFromRight(minus, 7, [3, –8, 9])  foldFromLeft(minus, 7, map(timesTwo, [3, 0, 8]))

Mapping: map(timesTwo, [2, 4, 5])  map(timesTwo, [8])  map(timesTwo, [])  map(addOne, map(timesTwo, [2, 2, 4, –3]))  map(timesTwo, map (addOne, [2, 2, 4, –3]))    Folding:* Example: foldFromLeft(plus, 7,[1,2] = ((7+1)+2=8+2=10 Example: foldFromRight(plus, 7,[1,2] = (1+(2+7))=1+9=10   foldFromLeft(plus, 7, [3, –8 9])  foldFromLeft(minus, 7, [3, –8, 9])  foldFromRight(minus, 7, [3, –8, 9])  foldFromLeft(minus, 7, map(timesTwo, [3, 0, 8]))

Computer Networking: A Top-Down Approach (7th Edition)
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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Question
  1. Evaluate the following expressions

Mapping:

  1. map(timesTwo, [2, 4, 5]) 
  2. map(timesTwo, [8]) 
  3. map(timesTwo, []) 
  4. map(addOne, map(timesTwo, [2, 2, 4, –3])) 
  5. map(timesTwo, map (addOne, [2, 2, 4, –3])) 

 

Folding:*

Example: foldFromLeft(plus, 7,[1,2] = ((7+1)+2=8+2=10

Example: foldFromRight(plus, 7,[1,2] = (1+(2+7))=1+9=10

 

  1. foldFromLeft(plus, 7, [3, –8 9]) 
  2. foldFromLeft(minus, 7, [3, –8, 9]) 
  3. foldFromRight(minus, 7, [3, –8, 9]) 
  4. foldFromLeft(minus, 7, map(timesTwo, [3, 0, 8]))
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