Remove All Whitespace in Rust

Welcome to the Remove All Whitespace in Rust page! Here, you'll find the source code for this program as well as a description of how the program works.

Current Solution

use std::env::args;
use std::process::exit;

fn usage() -> ! {
    println!("Usage: please provide a string");
    exit(0);
}
fn remove_all_whitespaces(s: String) -> String {
    s.chars().filter(|c| !c.is_whitespace()).collect()
}

fn main() {
    let mut args = args().skip(1);

    // Get first command-line argument
    let s: String = args
        .next()
        .unwrap_or_else(|| usage());

    // Make sure not empty
    if s.len() < 1 {
        usage();
    }

    // Remove all whitespace and show results
    let t: String = remove_all_whitespaces(s);
    println!("{t}");
}

Remove All Whitespace in Rust was written by:

• rzuckerm

If you see anything you'd like to change or update, please consider contributing.

Note: The solution shown above is the current solution in the Sample Programs repository as of May 08 2023 19:53:07. The solution was first committed on Apr 09 2023 10:29:20. As a result, documentation below may be outdated.

How to Implement the Solution

No 'How to Implement the Solution' section available. Please consider contributing.

How to Run the Solution

No 'How to Run the Solution' section available. Please consider contributing.