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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
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
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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]
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
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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