QUESTION 8 What is it called when the type of a function contains one or more class constraints? O Curried function Overloaded function Pure function Strict function Polymorphic function
QUESTION 8 What is it called when the type of a function contains one or more class constraints? O Curried function Overloaded function Pure function Strict function Polymorphic function
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Hello! I need your assistance for these questions and what are the answers to them.
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![QUESTION 7
The expression Branch (Tip 1) (Tip 2) is a value of the datatype:
data Tree = Tip Int Branch Int Int
data Tree Tip Tree
data Tree = Tip Tree
data Tree = Tip Int
| Branch Int Int
Branch Tree Tree
Branch
Odata Tree = Tip Int
Branch Tree Tree
QUESTION 8
What is it called when the type of a function contains one or more class constraints?
Curried function
Overloaded function
Pure function
Strict function
Polymorphic function
QUESTION 9
Give the type for the following expression: ("False", "True")
O (Bool, Bool)
O [Bool]
(String, String)
O [String]
O [a]
QUESTION 10
Which of the following is an invalid list in Haskell?
O [[1], [2,3], [4]]
O [[1], [2], [3], [41]
O [[1,2], [3,4]]
O [[1,2,3,4]]
[1, [2,3],4]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3845d49e-8ec6-434b-9c25-a41804255085%2F3b80339b-a91d-4854-9c68-4029280d2b86%2F1pdc7q_processed.png&w=3840&q=75)
Transcribed Image Text:QUESTION 7
The expression Branch (Tip 1) (Tip 2) is a value of the datatype:
data Tree = Tip Int Branch Int Int
data Tree Tip Tree
data Tree = Tip Tree
data Tree = Tip Int
| Branch Int Int
Branch Tree Tree
Branch
Odata Tree = Tip Int
Branch Tree Tree
QUESTION 8
What is it called when the type of a function contains one or more class constraints?
Curried function
Overloaded function
Pure function
Strict function
Polymorphic function
QUESTION 9
Give the type for the following expression: ("False", "True")
O (Bool, Bool)
O [Bool]
(String, String)
O [String]
O [a]
QUESTION 10
Which of the following is an invalid list in Haskell?
O [[1], [2,3], [4]]
O [[1], [2], [3], [41]
O [[1,2], [3,4]]
O [[1,2,3,4]]
[1, [2,3],4]
![QUESTION 4
A function of type (Int -> Int) -> Int:
Takes a pair of arguments
Takes two arguments one at a time
Returns a pair of results
Returns a function as its result
Takes a function as its argument
QUESTION 5
Which of the following statements about Haskell is correct?
All lists must be of finite length.
Type errors can occur at run-time.
All programs are guaranteed to terminate.
Function application brackets to the left.
Recursive functions must have a base case.
QUESTION 6
Consider a function f of type f :: Int -> Int with an output value that is equal the input value. What does the following expression evaluate to?
(\y -> f (y 24)) (\g -> div g 2)
0 1
8
4
9
12](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3845d49e-8ec6-434b-9c25-a41804255085%2F3b80339b-a91d-4854-9c68-4029280d2b86%2Fujf481f_processed.png&w=3840&q=75)
Transcribed Image Text:QUESTION 4
A function of type (Int -> Int) -> Int:
Takes a pair of arguments
Takes two arguments one at a time
Returns a pair of results
Returns a function as its result
Takes a function as its argument
QUESTION 5
Which of the following statements about Haskell is correct?
All lists must be of finite length.
Type errors can occur at run-time.
All programs are guaranteed to terminate.
Function application brackets to the left.
Recursive functions must have a base case.
QUESTION 6
Consider a function f of type f :: Int -> Int with an output value that is equal the input value. What does the following expression evaluate to?
(\y -> f (y 24)) (\g -> div g 2)
0 1
8
4
9
12
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