Xinayder

trait Substring {
    fn substr(&self, start_index: u32, length: u32) -> &str;
    fn substring(&self, start_index: u32) -> &str;
}

impl Substring for str {
    fn substr(&self, start_index: u32, length: u32) -> &str {
        if length == 0 { return ""; }
        if start_index == 0 && length == self.len() as u32 { return &self; }
        return &self[start_index as usize .. start_index as usize + length as usize];

Xinayder

// ==UserScript==
 // @name            Auto Steam Discovery Queue
 // @namespace       RockyTV
 // @description     Go to next game queued as soon as page is done loading.
 // @version 	     1.5
 // @include         http://store.steampowered.com/explore/*
 // @match	     *://store.steampowered.com/explore*
 // @match	     *://store.steampowered.com//explore*
 // @run-at          document-end
 // @grant           none

Xinayder

fn main() {
    println!("{:?}", substr("abcdef", 2, 4));
}

fn substr(string: &str, start_index: u32, length: u32) -> String {
    let mut result: String = String::new();
    let index: usize = start_index as usize;
    let mut lusize: usize = length as usize;
    
    result.push_str(&string[index..lusize+index]);

Xinayder

// Caesar's cipher implemented in Rust
// Made by Xinayder with the help of folks from #rust at irc.mozilla.org
//
fn encrypt(msg: &str, shift: u32) -> String {
    let alphabet_upper: &str = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
    let alphabet_lower: &str = "abcdefghijklmnopqrstuvwxyz";
    let mut result: String = String::new();
    
    for c in msg.chars() {
        if c.is_whitespace() {