Tutorial - assigment

Question 1

declare it a new local or global variable

Answer 1

var x, y: int

Question 2

assigns 3 to the variables x and y

Answer 2

var x, y = 3

Question 3

The compiler must be able to … in a constant declaration at compile time

Answer 3

It must be able to evaluate the expression in a constant declaration at compile time

Question 4

What is the difference between let and const

Answer 4

The difference between let and const is: let introduces a variable that can not be re-assigned, const means “enforce compile time evaluation and put it into a data section”

const input = readLine(stdin) # Error: constant expression expected
let input = readLine(stdin)   # works