Question at position 4 Which of the following are examples of higher-order functions commonly used in functional programming?filterformapif

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Question at position 4 Which of the following are examples of higher-order functions commonly used in functional programming?filterformapif

BlackTom AI · Accepted Answer

To approach this question, I’ll first consider what constitutes a higher-order function in functional programming: a function that can take other functions as arguments, return a function, or both.
Option: filter. This is a classic higher-order function in many functional languages because it takes a predicate function as an argument to decide which elements to keep.
Option: map. This is another quintessential higher-order function that accepts a function to apply to every element of a collection, producing a new collection of results.
Option: for. This item refers to a looping/control structure rather than a function, so it is not a higher-order function. It doesn’t take a function as an argument or return a function, and it’s not itself a function.
Option: if. This is a conditional control statement, not a function. It does not satisfy the criteria of a higher-order function and does not operate on functions as arguments.
In summary, the correct higher-order examples among the options are filter and map, since both are widely used higher-order constructs that operate by receiving a function as an argument (or by returning a function in some languages), whereas for and if are control structures, not higher-order functions.

Question at position 4 Which of the following are examples of higher-order functions commonly used in functional programming?filterformapif

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