gistfile1.rs

#![feature(overloaded_calls)]

use std::ops::Fn;

struct Closure
{
	x: uint
}

impl Fn<(uint,), ()> for Closure
{
	extern "rust-call" fn call(&self, (y,): (uint,)) -> ()
	{
		println!("{} {}", self.x, y);
	}
}

fn main()
{
	let f = Closure{x: 10u};
	f(12u);
}