hello-algo/codes/rust/include/print_util.rs
sjinzh e65c7bd478
Refine some details and coding style for Rust codes (#344)
* Refine some details and coding style for Rust codes

* Update coding style for Rust codes

* Update time_complexity.rs

* Update array.rs

* Update leetcode_two_sum.rs

* Update hash_map.rs

* Update file headers

* Update coding style for Rust codes and Zig codes

* Update coding style for Rust codes and Zig codes

---------

Co-authored-by: Yudong Jin <krahets@163.com>
2023-02-09 00:25:01 +08:00

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888 B
Rust

/*
* File: print_util.rs
* Created Time: 2023-02-05
* Author: sjinzh (sjinzh@gmail.com)
*/
use std::fmt::Display;
use std::collections::{HashMap, LinkedList};
/* Print an array */
pub fn print_array<T: Display>(nums: &[T]) {
print!("[");
if nums.len() > 0 {
for (i, num) in nums.iter().enumerate() {
print!("{}{}", num, if i == nums.len() - 1 {"]"} else {", "} );
}
} else {
print!("]");
}
}
/* Print a hash map */
pub fn print_hash_map<TKey: Display, TValue: Display>(map: &HashMap<TKey, TValue>) {
for (key, value) in map {
println!("{key} -> {value}");
}
}
/* Print a queue or deque */
pub fn print_queue<T: Display>(queue: &LinkedList<T>) {
print!("[");
let iter = queue.iter();
for (i, data) in iter.enumerate() {
print!("{}{}", data, if i == queue.len() - 1 {"]"} else {", "} );
}
}