Quiz will ask 20 randomly selected questions with allotted time of . You can take the quiz more than once. Once you submit the quiz, you can review how you have done, the correct the answers for each questions and the explanation for the correct the answer.
10 Modules
Which of the following statements correctly declares a mutable variable in Rust?
let x: i32 = 5;
let mut x: i32 = 5;
var x: i32 = 5;
let x = 5;
What is the default data type for a floating-point number in Rust?
f32
f64
i32
u32
Which of the following is a valid way to create a constant in Rust?
const PI: f64 = 3.14;
let PI: f64 = 3.14;
static PI: f64 = 3.14;
const PI = 3.14;
What will be the output of the following code snippet?
let x = 10; let y = &x; println!("{}", y);
10
&10
Error: cannot print reference
Error: mismatched types
Which of the following types can be used to represent a boolean value in Rust?
bool
boolean
b
bools
10 Modules