7 Understanding Types

Question 1

Julia as a Second Language

All objects in Julia have a particular ________ ?

Answer 1

Question 2

Julia as a Second Language

What does a type do?

Answer 2

Question 3

Julia as a Second Language

What function can be used to indentify if a type is a primitive type?

Answer 3

Question 4

Julia as a Second Language

What is a primitive type?

Answer 4

Question 5

Julia as a Second Language

What is a composite type?

Answer 5

Question 6

Julia as a Second Language

What are composite types made of?

Answer 6

Question 7

Julia as a Second Language

What is the keyword for creating a composite type?

Answer 7

Question 8

Julia as a Second Language

What are the objects made from a type called?

Answer 8

Question 9

Julia as a Second Language

What is it called when you specify a type for specific field?

Answer 9

Question 10

Julia as a Second Language

What symbol is used to create a type annotation?

Answer 10

Question 11

Julia as a Second Language

Why should you annotate types in a Struct?

Answer 11

Question 12

Julia as a Second Language

What two functions are good for exploring a functions’ type hierarchy?

Answer 12

Question 13

Julia as a Second Language

What does subtype() do?

Answer 13

Question 14

Julia as a Second Language

What does supertype() do?

Answer 14

Question 15

Julia as a Second Language

What is the supertype of all types?

Answer 15

Question 16

Julia as a Second Language

What can you do with a first-class object?

Answer 16

Question 17

Julia as a Second Language

How can you check programmatically if a type is a subtype of another type?

Answer 17