rust/src/test/run-pass/expr-if-generic-box1.rs

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

fn test_generic<T>(expected: @T, not_expected: @T, eq: compare<T>) {
    let actual: @T = if true { expected } else { not_expected };
    assert (eq(expected, actual));
}

fn test_box() {
    fn compare_box(b1: @bool, b2: @bool) -> bool { return *b1 == *b2; }
    test_generic::<bool>(@true, @false, compare_box);
}

fn main() { test_box(); }