Function tao_of_rust::ch02::primitives::slice_type

pub fn slice_type()

基本数据类型：slice类型

Basic usage:

fn slice_type() {
    let arr: [i32; 5] = [1, 2, 3, 4, 5];
    assert_eq!(&arr, &[1, 2,3,4,5]);
    assert_eq!(&arr[1..], [2,3,4,5]);
    assert_eq!(&arr.len(), &5);
    assert_eq!(&arr.is_empty(), &false);
    let arr = &mut [1, 2, 3];
    arr[1] = 7;
    assert_eq!(arr, &[1, 7, 3]);
    let vec = vec![1, 2, 3];
    assert_eq!(&vec[..], [1,2,3]);
    let str_slice: &[&str] = &["one", "two", "three"];
    assert_eq!(str_slice, ["one", "two", "three"]);
}
slice_type();