gistfile1.rs

fn hoge() -> ||:'static -> bool {
    let a = || { true };
    return a;
}


fn main() {
    let a = hoge();
    a();
}

#![feature(unboxed_closures, unboxed_closure_sugar)]

use std::collections::HashMap;

fn main() {
    let foo = bar(8);

    println!("Trying `foo` with 4: {:d}", foo.call((4,)));
    println!("Trying `foo` with 8: {:d}", foo.call((8,)));
    println!("Trying `foo` with 13: {:d}", foo.call((13,)));
}

fn bar(x: int) -> Box<|&: int| -> int> {
    box |&: n: int| -> int {
        if n < x { return n }

        x
    }
}

fn property(x: uint) -> Box<|&:|:'static -> int> {
    let mut h = HashMap::new();
    h.insert(1u, 1i);
    h.insert(2u, 2i);

    return box |&:| -> int { h.get_copy(&x) }
}
~