November 3, 2015 06:52
diff --git a/playground.rs b/playground.rs
 #[cfg(test)]


 mod tests {
 use std::rc::Rc;
    // the `type` is not needed but it makes it easier if you will
    // be using it in other function declarations.
    type Adder = Fn(i32) -> i32;

    fn sum(x: Rc<i32>) -> Rc<Adder> {
        Rc::new(move |n: i32| *x + n)
    }

    #[test]
    fn it_works() {
        let foo = sum(Rc::new(2));
        assert_eq!(5, foo(3));
    }
 }
	#[cfg(test)]


	mod tests {
	use std::rc::Rc;
	// the `type` is not needed but it makes it easier if you will
	// be using it in other function declarations.
	type Adder = Fn(i32) -> i32;

	fn sum(x: Rc<i32>) -> Rc<Adder> {
	Rc::new(move \|n: i32\| *x + n)
	}

	#[test]
	fn it_works() {
	let foo = sum(Rc::new(2));
	assert_eq!(5, foo(3));
	}
	}