rust/src/test/run-pass/expr-block-generic.rs

39 lines
1.1 KiB
Rust

// -*- rust -*-
// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// xfail-fast
#[legacy_modes];
// Tests for standalone blocks as expressions with dynamic type sizes
type compare<T> = fn@(T, T) -> bool;
fn test_generic<T: Copy>(expected: T, eq: compare<T>) {
let actual: T = { expected };
assert (eq(expected, actual));
}
fn test_bool() {
fn compare_bool(&&b1: bool, &&b2: bool) -> bool { return b1 == b2; }
test_generic::<bool>(true, compare_bool);
}
struct Pair {a: int, b: int}
fn test_rec() {
fn compare_rec(t1: Pair, t2: Pair) -> bool {
t1.a == t2.a && t1.b == t2.b
}
test_generic::<Pair>(Pair {a: 1, b: 2}, compare_rec);
}
pub fn main() { test_bool(); test_rec(); }