Section 12 - OOP and Functional Programming

Question 1

Higher-order functions

Answer 1

one which either takes a function as an argument returns a function as a
result, or both. Later in this chapter, we will be looking at the higher-order functions map, filter and fold,

Question 2

Map

Answer 2

takes a list and a function to be applied to every element in that list

Question 3

Filter

Answer 3

takes a predicate ( a boolean condition) and a list

returns elements in the list that satisfy the boolean condition

Question 4

fold (reduce)

Answer 4

reduces a list to a single value using recursion

Question 5

: in lists

Answer 5

add an element in front of a list

Question 6

++ in list

Answer 6

append something to the end of a list