Tutorial part II Flashcards
1
Q
What is the difference between an Object and a Tuple
A
They provide inheritance and information hiding.
Because objects encapsulate data, the T() object constructor should only be used internally and the programmer should provide a proc to initialize the object (this is called a constructor).
2
Q
How to checko a type of an object
A
with ‘of’ operator
3
Q
How to set a field of an object public
A
with the ‘*’ after the field name
4
Q
How to define an object
A
type
Person = ref object of RootObj
name*: string # the * means that name is accessible from other modulHes
age: int
5
Q
How to define an inheritance
A
whit the object of operator
6
Q
What is the convention to create an object without inheritance
A
using the RootObj
