68 lines
1.4 KiB
Rust
68 lines
1.4 KiB
Rust
// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// xfail-fast
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// aux-build:cci_class_trait.rs
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extern mod cci_class_trait;
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use cci_class_trait::animals::*;
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struct cat {
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priv mut meows : uint,
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mut how_hungry : int,
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name : ~str,
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}
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impl cat {
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fn eat() -> bool {
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if self.how_hungry > 0 {
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error!("OM NOM NOM");
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self.how_hungry -= 2;
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return true;
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}
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else {
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error!("Not hungry!");
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return false;
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}
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}
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}
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impl cat : noisy {
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fn speak() { self.meow(); }
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}
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priv impl cat {
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fn meow() {
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error!("Meow");
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self.meows += 1u;
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if self.meows % 5u == 0u {
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self.how_hungry += 1;
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}
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}
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}
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fn cat(in_x : uint, in_y : int, in_name: ~str) -> cat {
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cat {
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meows: in_x,
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how_hungry: in_y,
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name: in_name
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}
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}
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fn main() {
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let nyan = cat(0u, 2, ~"nyan");
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nyan.eat();
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assert(!nyan.eat());
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for uint::range(1u, 10u) |_i| { nyan.speak(); };
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assert(nyan.eat());
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} |