Implement the function foldt on the following Tree data typ to the right ta Tree a TNode a [Tree a] deriving (Show, Eq) oldt :: (b ->a b) -> b - Tree a -> b oldt op v (TNode x ts) - let v'. foldl (foldt op) v ts in error "TODO: implement foldt" - NOTE if you wrap your head around whats going on here, - super simple 2.
Implement the function foldt on the following Tree data typ to the right ta Tree a TNode a [Tree a] deriving (Show, Eq) oldt :: (b ->a b) -> b - Tree a -> b oldt op v (TNode x ts) - let v'. foldl (foldt op) v ts in error "TODO: implement foldt" - NOTE if you wrap your head around whats going on here, - super simple 2.
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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please solve in haskell
![-- Exercise E
Implement the function foldt on the following Tree data type, that folds a tree from the left-most tree
- to the right
data Tree a TNode a [Tree a]
deriving (Show, Eq)
foldt :: (b -> a -> b) -> b -> Tree a -> b
foldt op v (TNode x ts) -
let
v' - foldl (foldt op) v ts
in error "TODO: implement foldt"
NOTE if you wrap your head around whats going on here, the sol'n is
super simple](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb44053db-4e69-4b8d-9d70-e139b6dbe00d%2Fc68d4109-2c07-4c63-8ea2-166fde056e7a%2Fs9h1oo7e_processed.jpeg&w=3840&q=75)
Transcribed Image Text:-- Exercise E
Implement the function foldt on the following Tree data type, that folds a tree from the left-most tree
- to the right
data Tree a TNode a [Tree a]
deriving (Show, Eq)
foldt :: (b -> a -> b) -> b -> Tree a -> b
foldt op v (TNode x ts) -
let
v' - foldl (foldt op) v ts
in error "TODO: implement foldt"
NOTE if you wrap your head around whats going on here, the sol'n is
super simple
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