CIS 505 Exam 1 Notes Study Guide |Complete Questions with 100% Correct Answers
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Course
CIS 505
Institution
CIS 505
CIS 505 Exam 1 Notes Study Guide |Complete Questions with 100% Correct Answers
How do signify a real in SML?
12.0, 3e~2, 3,14e12
How do you signify a character in SML?
#"x", #"A", #n"
How do you concatenate two strings in SML?
Using the ^ operator
i.e. "abra" ^ "cadabra" = "abracadabra"
W...
, A fixed-size ordered collection of two or more values. Always same length, sometimes different types
Ex: (1, "a", true)
(4, (1,"a",true))
What is a list?
A list is a list of all the same type. Always same type, sometimes different length
What are the return types of these list operations?
Empty List []
Head hd
Tail tl
Append @
cons ::
'a list
'a list→'a
'a list→'a list
'a list*'a list→'a list
'a*'a list→'a list
What do explode and implode to?
Explode takes a string and converts it into a list of characters
Implode takes a list of characters and makes it a string
Fill in the blanks:
SML is a(n) __________________-based (________________) language with ___________,
____________ typing
SML is an expression-based(functional) language with strong, static typing.
Write a basic function that takes in a number and adds one
fun inc(x) = x+1;
What does tl return?
All the elements of the list except the first one
Write a function that uses the a function and a number as its parameters. It is supposed to add the
number and one to the function
fun do_fun(f,x) = f(x) + x + 1;
val a = 2;
val a = 2 : int
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