rust/src/test/run-pass/expr-if-generic-box1.rs
2011-07-27 15:54:33 +02:00

18 lines
425 B
Rust

// -*- 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 { ret *b1 == *b2; }
let eq = bind compare_box(_, _);
test_generic[bool](@true, @false, eq);
}
fn main() { test_box(); }