rustlings/exercises/primitive_types/primitive_types4.rs

71 lines
840 B
Rust

// primitive_types4.rs
// Get a slice out of Array a where the ??? is so that the `if` statement
// returns true. Scroll down for hints!!
// I AM NOT DONE
#[test]
fn main() {
let a = [1, 2, 3, 4, 5];
let nice_slice = ???
assert_eq!([2, 3, 4], nice_slice)
}
// Take a look at the Understanding Ownership -> Slices -> Other Slices section of the book:
// https://doc.rust-lang.org/book/ch04-03-slices.html
// and use the starting and ending indices of the items in the Array
// that you want to end up in the slice.
// If you're curious why the right hand of the `==` comparison does not
// have an ampersand for a reference since the left hand side is a
// reference, take a look at the Deref coercions section of the book:
// https://doc.rust-lang.org/book/ch15-02-deref.html