Rust - Data Types

Question 1

What typed language is rust

Answer 1

Statically typed

Question 2

True or false: The compiler can automatically infer data type of the variable based on the value assigned to it?

Answer 2

True

Question 3

How do you declare a variable in rust

Answer 3

let first_name = “Prince”;
let do_i_like_rust = false;

println!(“{} does not like rust”, first_name);

Question 4

A scalar type represents what type of value?

Answer 4

single

Question 5

Rust has how many scalar types?

Answer 5

4.
Integer
Floating-point
Booleans
Characters

Question 6

Mention the classifications of integers

Answer 6

Signed and unsigned.

Signed: i8,i16,i32,i64
Unsigned: u8, u16,u32,u64… usize

Question 7

Declare variable showing the use of unsigned and signed integers

Answer 7

let age: u32 = 19;
let sum: i32 = 5-15;

Question 8

Classifications for float

Answer 8

f32 and f64.
Single and double precision

Question 9

True or false: Automatic type casting is allowed in rust?

Answer 9

false