Basics

Question 1

what is the syntax for initializing a variable name x that is a 32 bit signed integer to the value -1?

Answer 1

let x: i32 = -1;

Question 2

Is Rust a statically typed language?

Answer 2

yes

Question 3

Is there a boolean type, what is it called and what are the values it can be

Answer 3

bool, true, false

Question 4

rust character type, which coding is it ascii, unicode, utf-8?

Answer 4

char type, utf-8

Question 5

what is the syntax for a Rust tuple

Answer 5

(“Ian”, 18)

Question 6

What is the syntax for creating a reference called ref to a value called a ?

Answer 6

let ref = &a;

Question 7

are variables mutable by default?

Answer 7

no

Question 8

what is the syntax for declaring a mutable integer

Answer 8

let mut x = 4;

Question 9

what is the basic “hello World” program

Answer 9

fn main(){
println!("Hello World");
}

Question 10

snake_case is used by convention for which type names?

Answer 10

crates, modules, functions, methods

Question 11

CamelCase is used by convention for which type names.

Answer 11

Types, traits, and enums

Question 12

what is wrong with the following function? 
fn FnameBlaster ( val, u32) {

Answer 12

function name is not snake_case