You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
hello-algo/zh-hant/codes/rust/chapter_hashing/build_in_hash.rs

51 lines
1.5 KiB

/*
* File: build_in_hash.rs
* Created Time: 2023-7-6
* Author: WSL0809 (wslzzy@outlook.com)
*/
include!("../include/include.rs");
use crate::list_node::ListNode;
use std::collections::hash_map::DefaultHasher;
use std::hash::{Hash, Hasher};
/* Driver Code */
fn main() {
let num = 3;
let mut num_hasher = DefaultHasher::new();
num.hash(&mut num_hasher);
let hash_num = num_hasher.finish();
println!("整數 {} 的雜湊值為 {}", num, hash_num);
let bol = true;
let mut bol_hasher = DefaultHasher::new();
bol.hash(&mut bol_hasher);
let hash_bol = bol_hasher.finish();
println!("布林量 {} 的雜湊值為 {}", bol, hash_bol);
let dec: f32 = 3.14159;
let mut dec_hasher = DefaultHasher::new();
dec.to_bits().hash(&mut dec_hasher);
let hash_dec = dec_hasher.finish();
println!("小數 {} 的雜湊值為 {}", dec, hash_dec);
let str = "Hello 演算法";
let mut str_hasher = DefaultHasher::new();
str.hash(&mut str_hasher);
let hash_str = str_hasher.finish();
println!("字串 {} 的雜湊值為 {}", str, hash_str);
let arr = (&12836, &"小哈");
let mut tup_hasher = DefaultHasher::new();
arr.hash(&mut tup_hasher);
let hash_tup = tup_hasher.finish();
println!("元組 {:?} 的雜湊值為 {}", arr, hash_tup);
let node = ListNode::new(42);
let mut hasher = DefaultHasher::new();
node.borrow().val.hash(&mut hasher);
let hash = hasher.finish();
println!("節點物件 {:?} 的雜湊值為{}", node, hash);
}