candy-0.1.2 doesn't have any documentation.
candy-rs
Syntaxic sugar for Rust
Example
#[macro_use] extern crate candy;
use ::std::*;
type ErrorMsg = borrow::Cow<'static, str>;
fallible!{
fn main ()
-> ()
=>! ErrorMsg
:
let input_number: u64 = {
let (mb_argv_0, mb_argv_1) = {
let mut args = env::args();
(args.next(), args.next())
};
let prog_name = mb_argv_0.unwrap();
match mb_argv_1
.and_then(|argv_1| argv_1.parse().ok())
{
Some(number) => number,
_ => throw!(format!("Usage: {} <number>", prog_name)),
}
};
collatz_conjecture(input_number);
}
fn collatz_conjecture (mut n: u64)
{
do_loop!({
println!("n = {}", n);
if n % 2 == 0 {
n /= 2;
} else {
n = 3 * n + 1;
};
} while n != 1);
println!("Did reach 1.");
}
Usage
-
Add this line to your Cargo.toml
(under [dependencies]
):
candy = "0.1.2"
-
Add this to your .rs
code:
#[macro_use] extern crate candy;