rust/src/test/run-pass/expr-alt-generic-box1.rs
2011-04-13 21:46:20 -04:00

26 lines
423 B
Rust

// xfail-boot
// -*- 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_box() {
fn compare_box(@bool b1, @bool b2) -> bool {
ret *b1 == *b2;
}
auto eq = bind compare_box(_, _);
test_generic[bool](@true, eq);
}
fn main() {
test_box();
}