9. Conversion and promotion

Question 1

Julia as a Second Language

So what does the @edit macro do?

Answer 1

Question 2

Julia as a Second Language

Why is it important for numbers to have units?

Answer 2

Question 3

Julia as a Second Language

What does convert() do?

Answer 3

Question 4

Julia as a Second Language

What is the Type{} object (for example, Type{Int64}?

Answer 4

Question 5

Julia as a Second Language

What is going on here?

Answer 5

Radians and Angles are being defined at their lowest level. All conversions will start at this point.

Question 6

Julia as a Second Language

What is happening here?

Answer 6

Struct’s have created Radians and Degrees. From the value of these structs all other units can be created, which is what these constructors are doing.

Question 7

Julia as a Second Language

What is happening here?

Answer 7

We create structs for Radians and Degrees and constructors, now we need to tell Julia how to add Radians together and Degrees together.

Question 8

Julia as a Second Language

What is going on here?

Answer 8

Question 9

Julia as a Second Language

What is happening here?

Answer 9

This says the print function will used the given format when printing a DMS object.

Question 10

Julia as a Second Language

What is going on here?

Answer 10

Question 11

Julia as a Second Language

What is happening here?

Answer 11

Question 12

Julia as a Second Language

What is happening here?

Answer 12

Question 13

Julia as a Second Language

What is happening here?

Answer 13