OCaml Code: Attached are the instructions. Make sure to read the instructions carefully and write your own test cases to make sure the code works. Make sure to include a screenshot of the correct code with the test cases that is used along with the output of the code being passed.
OCaml Code: Attached are the instructions. Make sure to read the instructions carefully and write your own test cases to make sure the code works. Make sure to include a screenshot of the correct code with the test cases that is used along with the output of the code being passed.
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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OCaml Code: Attached are the instructions. Make sure to read the instructions carefully and write your own test cases to make sure the code works. Make sure to include a screenshot of the correct code with the test cases that is used along with the output of the code being passed.
Transcribed Image Text:list followed by a string. The string is the name of the output file that you will write the list
to. This function should leverage printGenList and provide an anonymous function (the fun ...
->... construct) that will do the appropriate pretty printing to the output file. This anonymous
function should print the element of the list and then a space character. printList should have the
following type signature:
val printList: int list -> string -> unit
Create a function called printPairList that will pretty print a list consisting of integer pairs.
The function will take an (int *int) list followed by a string. The string is the name of the
output file that you will write the list to. printPairList should leverage print GenList and
provide an anonymous function (the fun ->... construct) that will do the appropriate
pretty printing. This anonymous function should print an open parenthesis, the first element of
the pair, a comma, a space, the second element of the pair, and then a close parenthesis followed
by a space. printPairList should have the following type signature:
val printPairList : (int int) list -> string -> unit
Transcribed Image Text:4
Generalized Printing
You are tasked with creating generalized list printing functions. Write a function called printGenList
which takes a list and a printing function f and applies the function to each element of the list
recursively. The function should have the following type signature:
val print GenList : 'a list -> ('a -> unit) -> unit
Create a function called printList that will pretty print an integer list. You will find the string
concatenation operator (^) and the string_of_int function useful. printList will take an integer
3
list followed by a string. The string is the name of the output file that you will write the list
to. This function should leverage printGenList and provide an anonymous function (the fun ...
->... construct) that will do the appropriate pretty printing to the output file. This anonymous
function should print the element of the list and then a space character. printList should have the
following type signature:
val printList int list -> string -> unit
Create a function called printPairList that will pretty print a list consisting of integer pairs.
The function will take an (int * int) list followed by a string. The string is the name of the
output file that you will write the list to. printPairList should leverage printGenList and
provide an anonymous function (the fun ... ->... construct) that will do the appropriate
pretty printing. This anonymous function should print an open parenthesis, the first element of
the pair, a comma, a space, the second element of the pair, and then a close parenthesis followed
by a space. printPairList should have the following type signature:
val printPairList : (int int) list -> string -> unit
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