In Racket, what is LION as defined? A) an instance of a movie B) an instance of compound data C) an instance of a data structure D) a value of type Movie E) All of the Above F) None of the Above (define-struct movie (title director length dvd?)) ; a Textbook is a (make-book String String Natural Boolean) ; interp: a movie where ; title is the movie’s title ; director is the name of the movies’s director ; length is the length of the movie in minutes ; dvd? is whether the movie is available in dvd format (if true)
In Racket, what is LION as defined? A) an instance of a movie B) an instance of compound data C) an instance of a data structure D) a value of type Movie E) All of the Above F) None of the Above (define-struct movie (title director length dvd?)) ; a Textbook is a (make-book String String Natural Boolean) ; interp: a movie where ; title is the movie’s title ; director is the name of the movies’s director ; length is the length of the movie in minutes ; dvd? is whether the movie is available in dvd format (if true)
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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In Racket, what is LION as defined?
A) an instance of a movie
B) an instance of compound data
C) an instance of a data structure
D) a value of type Movie
E) All of the Above
F) None of the Above
(define-struct movie (title director length dvd?))
; a Textbook is a (make-book String String Natural Boolean)
; interp: a movie where
; title is the movie’s title
; director is the name of the movies’s director
; length is the length of the movie in minutes
; dvd? is whether the movie is available in dvd format (if true)
(define TOY (make-movie “Toy Story" "John Lasseter" 81 true))
(define LION (make-movie "The Lion King" "Rob Minkoff" 89 false))
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