2. Consider a function with polymorphic type f :'а -> 'a ->'a.2.1. What is the type of f 0 ?2.2. What is the type of fun x -> f x x ? Briefly explain your reasoning.

Given :- Consider a function with polymorphic type f : 'a -> 'a -> 'a. 2.1. What is the type…

Answered: 2. Consider a function with polymorphic…

2. Consider a function with polymorphic type f 'а -> 'а -> 'a. : 2.1. What is the type of f 0 ? 2.2. What is the type of fun x -> f x x ? Briefly explain your reasoning.

C++ Programming: From Problem Analysis to Program Design

8th Edition

ISBN:9781337102087

Author:D. S. Malik

Publisher:D. S. Malik

Chapter10: Classes And Data Abstraction

Section: Chapter Questions

Problem 9SA: Consider the definition of the class product Type as given in Exercise 8. Which function members are...

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Concept explainers

Predicates

A predicate is a function defined with set of variables, which returns the result True or False. The output of a predicate is a Boolean value as a response when given a set of parameters:

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2. Consider a function with polymorphic type f :
'а -> 'a ->
'a.
2.1. What is the type of f 0 ?
2.2. What is the type of fun x -> f x x ? Briefly explain your reasoning.

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3. Consider a function with polymorphic type f ('a 'b) -> ('b -> 'a) -> : 'a 3.1. What is the type of f (0, true) ? 3.2. What is the type of fun x y -> f (x, y) ?Does it have the same type as f ? Briefly explain your reasoning.
Example 1: Define a function that takes an argument. Call the function. Identify what code is the argument and what code is the parameter.Example 2: Call your function from Example 1 three times with different kinds of arguments: a value, a variable, and an expression. Identify which kind of argument is which. Example 3: Construct a function with a local variable. Show what happens when you try to use that variable outside the function. Explain the results.Example 4: Construct a function that takes an argument. Give the function parameter a unique name. Show what happens when you try to use that parameter name outside the function. Explain the results.Example 5: Show what happens when a variable defined outside a function has the same name as a local variable inside a function. Explain what happens to the value of each variable as the program runs.The code and its output must be explained technically whenever asked. The explanation can be provided before or after the code, or in the…
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For each of the following expressions, write functions f1, f2, f3, and f4 such that the evaluation of each expression succeeds, without causing an error. Be sure to use lambdas in your function definition instead of nested def statements. Each function should have a one line solution. f1 takes in nothing and returns 3. f2 takes in nothing and returns a function that takes in nothing and returns 3. f3 takes in nothing and returns a function that takes in 1 value and returns that same value. f4 takes in nothing and returns a function. This function takes in nothing and returns another function. This next function takes in a value and returns yet another function. This final function takes in nothing and returns the value passed into the previous function (if this explanation is confusing, have a look at the doctest, and it might be more clear). def f1(): >>> f1() 3 |||||| "*** YOUR CODE HERE ***" def f2(): |||||| >>> f2() () 3 |||||| "*** YOUR CODE HERE ***" def f3(): |||||| >>> f3() (3)…
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MP8 MP8.1 My first FUNCTION problem My Sc Get started with: [STANDARD ASSESSMENT] This example uses a simple problem to demonstrate how to create a MATLAB coding problem where the student solution must be a function. Only the values returned by the function can be assessed in function problem types. This problem type can introduce confusion to students not yet comfortable writing their own functions, Step 1: Use this area to set up the problem and describe the task(s) the student solution will be assessed on. For example Two commonly used scales for measuring temperature are Fahrenheit and Celsius In this course we will often want to convert temperature in degrees Fahrenheit to degrees Celsius. Create a function called tempF2C that will accept as input a single temperature in degrees Fahrenheit and return the equivalent temperature in degrees Celsius. Recall that Fahrenheit and Celsius are related by the following equation: Tc= (Tp-32)/1.8 Step 2: Select "Function" Problem Type below…