Question: You are given the following function. k :: [[a]] [[a]] -> [[a]] k (x:xs) [] = k xs [x] k [] (y:ys) = y:ys k

You are given the following function. k :: [[a]] [[a]] -> [[a]] k (x:xs) [] = k xs [x] k [] (y:ys) = y:ys k (x:xs) ys = k xs (x:ys) Which of the following statements is true? This function will concatenate any two lists. This function reverses a list. This function might sometimes cause a pattern-matching error. This function will run forever even for finite inputs. None of the above

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

Would it be possible for someone to explain the answer also please. Thank you 2. Consider the following function definitions f1 (x:xs) (y:ys) - (x * y) : f1 xs ys f2 (x:xs) (y:ys) - (x + y) : f2 xs...

SCALA: below is the solutions for all questions. Please explain every question in detail. import java.util.NoSuchElementException object fp2: // EXERCISE 1: complete the following recursive...

How many bracketings of length 2n will there now be? 1 [TURN OVER CST.93.2.2 2 Two teams A and B play a match in which the winner is the first team to win n games. If A needs i games to win and B...

(i) A variant of Program 3.14 for sublist is defined by the following three rules: Explain why the program above has a different meaning from Program 3.14 shown below: (i) A variant of Program 3.14...

Scala Expressions What type (if any) does the following Scala expression have? List (None, Some (List (Some (1), None, Some (2)))) Question 1: List[Option[Option[List[Int]]]]...

2. (30 points) Here is an SML mergesort program: fun merge ([], ys) = ys | merge (xs, []) = xs merge (x::xs, y::ys) = if xy then x::merge (xs, y::ys) else y::merge (x::xs, ys) = ([], []) fun split []...

IN SCALA: * INSTRUCTIONS * * Complete the exercises below. For each "EXERCISE" comment, add * code immediately below the comment. * * * 2. You MUST NOT edit the SBT configuration and tests. Altering...

Haskell: Given the following code, prove for finite lists by using structural induction, given: append:: [a] => [a] => [a] append ys = ys append (x:xs) y = x: (append xs ys) filter p [] = 0 filter p...

In this question you will be asked to reflect on a project you have been involved in or observed, in which a design evolved, or could have evolved, through applying a theory of user behaviour. You...

In a Hopfield neural network configured as an associative memory, with all of its weights trained and fixed, what three possible behaviours may occur over time in configuration space as the net...

Compute net cash flows from investing activities as a percentage of sales. Company investing cash flows/Sales Rank -1.8% -2.2% 1.2% -4.5% -4.7% Macys Home Depot Best Buy Target Walmart

The T-s diagram in Fig. 10.15 indicates an ideal refrigeration cycle operating between 120 kPa and 1200 kPa. If R134a is the refrigerant, the compression work is nearest: (a) 42 klilcg (b) 47 kJ/kg...

Checkpoint 1 4 . 4 ) ( Calculating flotation costs ) The Faraway Moving Company is involved in a major plant expansion that involves the expenditure of $ 2 1 1 million in the coming year. The firm...

C 3 H 6 O + e - - - > C 3 H 8 what is the cathode and anode what are the reduction and oxidation reactions electrolysis question

In Visual Studio 2017 with an open OLAP Cube, what is the connection to an advanced OLAP viewer?

What is the main benefit of the multidimensional framework of OLAP Cubes?

Provide an example of how the sort level Unspecified can be excluded from the Gender Dimension in a Pivot Table worksheet genderwaggap01.