std_macro_extensions/cin/
macro.rs

1/// Read a line from standard input as a `String`.
2///
3/// # Returns
4/// - A `String` containing the input line (including trailing newline if present).
5#[macro_export]
6macro_rules! cin {
7    () => {{
8        use std::io::{self};
9        let mut input: String = String::new();
10        let _ = io::stdin().read_line(&mut input);
11        input
12    }};
13}
14
15/// Parse input string into a value or a vector of values of a specified type.
16///
17/// # Parameters
18/// - `input`: The input `&str` to be parsed.
19/// - `type`: The target type to parse into.
20///
21/// # Returns
22/// - A single value of the specified type if used in scalar mode.
23/// - A `Vec` of values if used in vector mode.
24#[macro_export]
25macro_rules! cin_parse {
26    ($input: expr, Vec<$type: ty>) => {{
27        let mut res: Vec<$type> = Vec::<$type>::new();
28        for token in $input.trim().split_whitespace() {
29            if let Ok(num) = token.parse::<$type>() {
30                res.push(num);
31            }
32        }
33        res
34    }};
35    ($input: expr, $type: ty) => {{
36        let mut res: $type = Default::default();
37        if let Ok(parse_res) = $input.parse::<$type>() {
38            res = parse_res;
39        }
40        res
41    }};
42}
std_macro_extensions/cin/macro.rs

std_macro_extensions/cin/
macro.rs
