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

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// xfail-boot
// xfail-stage0
// -*- rust -*-
type compare[T] = fn(&T t1, &T t2) -> bool;
fn test_generic[T](&T expected, &compare[T] eq) {
let T actual = alt (true) {
case (true) {
expected
}
};
check (eq(expected, actual));
}
fn test_vec() {
fn compare_vec(vec[int] v1, vec[int] v2) -> bool {
ret v1 == v2;
}
auto eq = bind compare_vec(_, _);
test_generic[vec[int]](vec(1, 2, 3), eq);
}
fn main() {
test_vec();
}