use std::boxed::Box;

struct Schema {
    test: bool,
    testfn: Box<Fn() -> String>,
}

impl Schema {
    fn new<F: 'static>(test_in: F) -> Self
        where F: Fn() -> String
    {
        Schema{
            test: true,
            testfn: Box::new(test_in),
        }
    }
}

fn test()->String {
    "test string".to_string()
}

fn main() {
    let b = Box::new(5);
    println!("b = {}", b);
    println!("{}",test());
    let schema = Schema::new(test);
}