write 5 functions in ml with sml file for new jersey program
Problem Description:
The student shall turn in five functions. You should use mymap1 and mymap2 in problem 3, 4, and 5 if it is needed. However, the best way to do so is you use built-in map to finish problem 3, 4, and 5 first. After they work, replace map with mymap1 or mymap2. If they still work, you can say that you implement them all correctly. If it doesnâ€
t work, then you now that your mymap1 or mymap2 maybe incorrect.
Functions to work out:
1. Define a function mymap1 with the same type and behavior as built-in map function but without using map. This should be one-line of code. Use foldr or foldl) (refer to problem Exercise 24 on page 147)
2. Define a function mymap2 with the same type and behavior as map. No map, foldr, or foldl can be used. (refer to problem Exercise 26 on page 147)
3. Write a function ordlist of type char list -> int list that take a list of characters and returns the list of integer codes of those characters. For example, if you evaluate ordlist [#â€Aâ€, #â€bâ€, #â€Câ€] you should get [65, 98, 67] (refer to Exercise 2 on page 144)
4. Write a function mylength fo type ‘a list -> int that returns the length of a list. You cannot use the built-in length function. (refer to Exercise 11 on page 145)
5. Write a function max of type int list -> int that returns the largest element of a list of integers. Your function need not behave well if the list is empty.
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