Function tao_of_rust::ch03::type_size::str_compose

pub fn str_compose()

动态大小类型：str

探索&str的组成

Basic usage:

fn str_compose(){
    let str = "Hello Rust";
    let ptr = str.as_ptr();
    let len = str.len();
    println!("{:p}", ptr); // 0x555db4b96c00
    println!("{:?}", len); // 10
}
str_compose();