First commit. Incomplete example iron-gcd.

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Timothy Warren 2019-02-27 10:08:42 -05:00
commit 2366827a16
6 ha cambiato i file con 236 aggiunte e 0 eliminazioni

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[package]
name = "gcd"
version = "0.1.0"
authors = ["Timothy Warren <tim@timshomepage.net>"]
edition = "2018"
[dependencies]

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pub fn gcd(mut n: u64, mut m: u64) -> u64 {
assert!(n != 0 && m != 0);
while m != 0 {
if m < n {
let t = m;
m = n;
n = t;
}
m = m % n;
}
n
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_gcd() {
assert_eq!(gcd(14, 15), 1);
assert_eq!(
gcd(
2 * 3 * 5 * 11 * 17,
3 * 7 * 11 * 13 * 19
),
3 * 11
)
}
}

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use gcd::gcd;
use std::io::Write;
use std::str::FromStr;
fn main() {
let mut numbers = Vec::new();
for arg in std::env::args().skip(1) {
numbers.push(
u64::from_str(&arg).expect("error parsing argument")
);
}
if numbers.len() == 0 {
writeln!(std::io::stderr(), "Usage: gcd NUMBER ...").unwrap();
std::process::exit(1);
}
let mut d = numbers[0];
for m in &numbers[1..] {
d = gcd(d, *m);
}
println!("The greatest common divisor of {:?} is {}", numbers, d);
}

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iron-gcd/Cargo.toml Normal file
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[package]
name = "iron-gcd"
version = "0.1.0"
authors = ["Timothy Warren <tim@timshomepage.net>"]
edition = "2018"
[dependencies]
iron = "0.5.1"
mime = "0.2.3"
router = "0.5.1"
urlencoded = "0.5.0"

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extern crate iron;
extern crate router;
#[macro_use] extern crate mime;
use iron::prelude::*;
use iron::status;
use router::Router;
fn main() {
println!("Serving on http://localhost:3000...");
Iron::new(get_form).http("localhost:3000").unwrap();
}
fn get_form(_request: &mut Request) -> IronResult<Response> {
let mut response = Response::new();
response.set_mut(status::Ok);
response.set_mut(mime!(Text/Html; Charset=Utf8));
response.set_mut(r#"
<title>GCD Calculator</title>
<form action="/gcd" method="post">
<input type="number" min="0" name="n" />
<input type="number" min="0" name="m" />
<button type="submit">Compute GCD</button>
</form>
"#);
Ok(response)
}