serde_scan

easily deserialize whitespace seperated data into any rust data structure supported by serde. useful for demos, programming contests, and the like.

current issues: * no support for enums with struct variants * structs or tuples cannot contain an unbounded container, like a Vec or HashMap.

future features: * defining custom whitespace characters * scanf style formatting for more complex inputs

examples

```rust extern crate serde; extern crate serde_scan;

#[macro_use]
extern crate serde_derive;

#[derive(Deserialize, Debug, PartialEq)]
struct Triple {
    a: u32,
    b: u32,
    c: u32,
}

#[derive(Deserialize, Debug, PartialEq)]
enum Command {
    Q,
    Help,
    Size(usize, usize),
    Color(u8),
}

fn main() {
    let s = "1 2 3";

    let a: [u32; 3] = serde_scan::from_str(s).unwrap();
    assert_eq!(a, [1, 2, 3]);

    let b: (u32, u32, u32) = serde_scan::from_str(s).unwrap();
    assert_eq!(b, (1, 2, 3));

    let c: Triple = serde_scan::from_str(s).unwrap();
    assert_eq!(c, Triple { a: 1, b: 2, c: 3 });

    let s = "Size 1 2";
    let size = serde_scan::from_str(s).unwrap();
    assert_eq!(c, Command::Size(1, 2));
}

```