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// 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-test FIXME #7307
// xfail-fast
extern mod extra;
use extra::oldmap::*;
class cat : map<int, bool> {
priv {
// Yes, you can have negative meows
let mut meows : int;
fn meow() {
self.meows += 1;
error!("Meow %d", self.meows);
if self.meows % 5 == 0 {
self.how_hungry += 1;
}
}
}
let mut how_hungry : int;
let name : str;
new(in_x : int, in_y : int, in_name: str)
{ self.meows = in_x; self.how_hungry = in_y; self.name = in_name; }
fn speak() { self.meow(); }
fn eat() -> bool {
if self.how_hungry > 0 {
error!("OM NOM NOM");
self.how_hungry -= 2;
return true;
}
else {
error!("Not hungry!");
return false;
}
}
fn size() -> uint { self.meows as uint }
fn insert(+k: int, +v: bool) -> bool {
if v { self.meows += k; } else { self.meows -= k; };
true
}
fn contains_key(&&k: int) -> bool { k <= self.meows }
fn get(&&k:int) -> bool { k <= self.meows }
fn [](&&k:int) -> bool { k <= self.meows }
fn find(&&k:int) -> Option<bool> { Some(self.get(k)) }
fn remove(&&k:int) -> Option<bool> { self.meows -= k; Some(true) }
fn each(f: &fn(&&int, &&bool) -> bool) {
let mut n = num::abs(self.meows);
while n > 0 {
if !f(n, true) { break; }
n -= 1;
}
}
fn each_key(&&f: &fn(&&int) -> bool) {
for self.each |k, _v| { if !f(k) { break; } again;};
}
fn each_value(&&f: &fn(&&bool) -> bool) {
for self.each |_k, v| { if !f(v) { break; } again;};
}
fn clear() { }
}
pub fn main() {
let nyan : cat = cat(0, 2, "nyan");
for uint::range(1u, 5u) |_i| { nyan.speak(); }
// cat returns true if uint input is greater than
// the number of meows so far
assert!((nyan.get(1)));
assert!((!nyan.get(10)));
}
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