Sum All
Use .iter().sum() to calculate the sum of vec![10, 20, 30, 40].
Expected output:
text
Total: 100
Hints:
let total: i32 = numbers.iter().sum();- You need the type annotation
: i32so Rust knows what type to sum into
rust
fn main() {
}
Use .iter().sum() to calculate the sum of vec![10, 20, 30, 40].
Expected output:
Total: 100
Hints:
let total: i32 = numbers.iter().sum();: i32 so Rust knows what type to sum into