w to write HASKELL code for functors of func
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Can i know please how to write HASKELL code for functors of functors
![8
| Map a function over a Functor of Functors
--
9
Refresh...
>>> nestedMap (+1) [Just 1, Just 2]
[Just 2,Just 3]
1
2
Refresh...
>>> nestedMap (+1) [Just 1, Nothing]
[Just 2,Nothing]
3
4
Refresh...
>>> nestedMap (+1) (Just (Just 5))
Just (Just 6)
7
Refresh...
>>> nestedMap (+1) (Just Nothing)
Just Nothing
9
--
=> (a -> b) –> f (g a) -> f (g b)
nestedMap :: (Functor f, Functor g)
nestedMap
1
2
= undefined](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F42cade82-02de-4ace-9957-aef794461689%2F5b5a344e-6963-4e40-bbd3-6839d543d373%2F24ijwze_processed.png&w=3840&q=75)
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- Programming Language: C Write the following three functions: a) The function gets an array A of length n of ints, and a boolean predicate pred. It returns the smallest index i such that pred(A[i])==true. If no such element is not found, the function returns -1. int find(int* A, int n, bool (*pred)(int)); b) The function gets an array A of length n of ints, and a function f. It applies f to each element of A. void map(int* A, int n, int (*f)(int)); c) The function gets an array A of length n of ints, and a function f. The function f gets 2 ints and works as follows: 1. Start with accumulator = A[0] 2. For i=1...length-1 compute accumulator=f(accumulator, A[i]) 3. Return accumulator For example, if f computes the sum of the two inputs, then reduce() will compute the sum of the entire array. int reduce(int* A, int n, int (*f)(int,int)); Test for the functions: // used for test Q3-find bool is_even(int x) { return x%2 == 0; } bool is_positive(int x) { return x>0; } void…Design a function that consumes a natural number and produces a list ofstrings describing that many seats at a table. For example, (seats 3) shouldproduce the list (list "Seat 1" "Seat 2" "Seat 3"). Include all recipe elements. The body of your function definition MUSTUSE the build-list built-in abstract function. You may optionally use anadditional built-in abstract function. Using DrRacketWrite the following three functions in c programming language: a) The function gets an array A of length n of ints, and a boolean predicate pred. It returns the smallest index i such that pred(A[i])==true.If no such element is not found, the function returns -1.int find(int* A, int n, bool (*pred)(int)); b) The function gets an array A of length n of ints, and a function f. It applies f to each element of A.void map(int* A, int n, int (*f)(int)); c) The function gets an array A of length n of ints, and a function f. The function f gets 2 ints and works as follows: Start with accumulator = A[0] For i=1...length-1 compute accumulator=f(accumulator, A[i]) Return accumulator For example, if f computes the sum of the two inputs, then reduce() will compute the sum of the entire array.int reduce(int* A, int n, int (*f)(int,int));
- class Airplane – highlights -- planeID : String -planeModel: String //”Boeing 757” etc. --seatCapacity : int //would vary by outfitting ………… Assume getters and setters, toString(), constructor with parameters and constructor ……………… Write lambdas using a standard functional interface to: a) Given a plane object and a required number of seats as an input, determine if the given plane meets or exceeds the required capacity b) Output the plane description if capacity is less than 80% of a specified number (We would use his for planning aircraft assigned to various routes. ) c) Adjust the seats in a plane by a specified positive or negative number [after modifications have been made to the interior.] …and write an example for each showing the usage, using an Airplane instance plane1Write a function with the interface doRandomWalk(nstep,startPosition), that takes the number of steps nstep for a random walk and the startPosition of the random walk on a straight line, and returns the location of the final step of the random walker. Problem Part B Now, write another function with the interface simulateRandomWalk(nsim,nstep,startPosition) that simulates nsim number of random-walks, each of which contains nstep steps and starts at startPosition. Then, this function calls doRandomWalk() repeatedly for nsim times and finally returns a vector of size nsimcontaining final locations of all of the nsim simulated random-walks. Problem Part C Now write a script that plots the output of simulateRandomWalk() for nsimnstepstartPosition===1000010−10 The resulting plot should look like the following, How do you interpret this result? How can uniformly-distributed random final steps end up having a Gaussian bell-shape distribution.Functions for operating on strings are provided with the standard C library; however, we would like to be able to treat strings in our programs as if they were a built-in type. Thus, in this exercise you are to develop a software package in C that implements the STRING Abstract Data Type (ADT). This ADT should at the minimum support the following operations: Retrieve (i, s). Returns element I of string s. Print(s). Prints the contents of string s. Concatenate (s1, s2). Concatenates strings s1and s2and returns the resulting string. Copy (s1, s2). Copies the contents of string s1to string s2. Compare (s1, s2). Compares string s1 to string s2, returning a result indicating whether s1 is lexicographically greater than s2. Length (s). Returns the number of characters in the string s. Capacity (s). Returns the maximum numbers of characters that can be stored in the string s. Proper data encapsulation requires that a structure be created that holds the string representation, as well as…
- C++ Implement a Rational Number class with the following specifications. Data members a) numerator and denominator Functions a) Constructors: 1) default constructor 2) single parameter constructor to create numerator/1 3) dual parameter constructor to create numerator/denominator 4) Use constructor delegation across all constructors. b) Accessors and Mutators for both data members. c) Static recursive GCD function using Euclid’s algorithm. d) Static LCM function for two numbers. e) Reduce function simplify a rational number. This function modifies its calling object. f) Your program should work with the supplied driver program Notes LCM (Least Common Multiple) This function returns the smallest multiple of a and b. Step 1: Multiply a and b to find a common multiple. Step 2: Divide the common multiple by the GCD of a and b. Step 3: Return the result of Step 2. Reduce: This function reduces a fraction to simplest terms (i.e. 9/12 to 3/4). Step 1:…C++ Programming D.S.Malik12-10: Add the function max as an abstract function to the class arrayListType to return the largest element of the list. Also, write the definition of the function max in the class unorderedArrayListType and write a program to test this function.Program this on C++ Overload the constructor with one string parameter in such a way that the DNAsequence will not be NULL, it will be the sequence passed in the function. The functionwill only create the DNA sequence if it is containing the bases A,T,C,G and gaps ‘-‘.If it is not so, the function will print the error message that due to invalid bases, DNAsequence cannot be created.
- Write the definition of the function to overload the operator*(as a member function) for the class polynomialType to multiply two polynomials. Also, write a test program to test the operator* #include <ostream>#include <istream>#include <iostream> using namespace std;using ::polynomialType; class polynomialType : public arrayListType<double>{ friend ostream& operator<<(ostream&, const polynomialType&); // Overloads the stream insertion operator friend istream& operator>>(istream&, polynomialType&); // Overloads the stream extraction operator public: polynomialType operator+(const polynomialType&); // Overloads the operator polynomialType operator-(const polynomialType&); // Overloads the operator polynomialType operator*(const polynomialType&); // Overloads the operator double operator()(double x); // Overloads the operator polynomialType(int size = 100);…Solve the problem in C++ (Extend MyPoint) In Programming Exercise 9.4, the MyPoint class was created to model a point in a two-dimensional plane. The MyPoint class has the properties x and y that represent x- and y-coordinates, two getter functions for x and y, and the function for returning the distance between two points. Create a class named ThreeDPoint to model a point in a three-dimensional space. Let ThreeDPoint be derived from MyPoint with the following additional features: - A data field named z that represents the z-coordinate.- A no-arg constructor that constructs a point with coordinates (0, 0, 0).- A constructor that constructs a point with three specified coordinates.- A constant getter function that returns the z value.- A constant distance(const MyPoint&) function to return the distance between this point and the other point in the three-dimensional space. Draw the UML diagram for the classes involved. Implement the classes. Write a test program that creates two…in c++ Declare and implement 5 classes: FloatArray, SortedArray, FrontArray, PositiveArray & NegativeArray. 1- The FloatArray class stores a dynamic array of floats and its size. It has: - A parameterized constructor that takes the array size. - An add method that adds a float at the end of the array. - Overloading for the insertion operator << to write the array to a file (ofstream) - Overloading for the extraction operator >> to read the array elements from the file (ifstream) and add them to the array. - A destructor to deallocate the array 2- The SortedArray inherits from FloatArray. It has: - A parameterized constructor that takes the array size. - An add method that adds a float at the right place in the array such that the array remains sorted with every add. Don’t add to the array then sort but rather add in the right place. 3- The FrontArray inherits from FloatArray. It has: - A parameterized constructor that takes the array size. - An add method that adds a…
