rust/src/test/run-pass/expr-alt-generic-box2.rs

// -*- rust -*-
type compare<T> = fn(&T, &T) -> bool ;

fn test_generic<T>(expected: &T, eq: &compare<T>) {
    let actual: T = alt true { true { expected } };
    assert (eq(expected, actual));
}

fn test_vec() {
    fn compare_box(v1: &@int, v2: &@int) -> bool { ret v1 == v2; }
    let eq = bind compare_box(_, _);
    test_generic[@int](@1, eq);
}

fn main() { test_vec(); }