4. Consider a function with polymorphic type g ( 'a -> 'b -> 'b) -> 'b -> 'b. 4.1. What is the type of g (List.cons)? Hint: Type List.cons into the OCaml terminal like this: List.cons;;, to see what the type of List.cons is. 4.2. What is the type of fun x -> (g g) x ?Briefly explain your reasoning.

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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4. Consider a function with polymorphic type g
('a ->
'b
'b)
->
'b ->
:
->
'b.
4.1. What is the type of g
(List.cons)? Hint: Type List.cons into the OCaml
terminal like this: List.cons;;, to see what the type of List.cons is.
4.2. What is the type of fun x -> (g g) x ? Briefly explain your reasoning.
Transcribed Image Text:4. Consider a function with polymorphic type g ('a -> 'b 'b) -> 'b -> : -> 'b. 4.1. What is the type of g (List.cons)? Hint: Type List.cons into the OCaml terminal like this: List.cons;;, to see what the type of List.cons is. 4.2. What is the type of fun x -> (g g) x ? Briefly explain your reasoning.
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