43 lines
1.1 KiB
Rust
43 lines
1.1 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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struct cat<U> {
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priv mut info : ~[U],
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priv mut meows : uint,
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how_hungry : int,
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}
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impl<U> cat<U> {
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fn speak<T>(stuff: ~[T]) {
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self.meows += stuff.len();
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}
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fn meow_count() -> uint { self.meows }
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}
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fn cat<U>(in_x : uint, in_y : int, -in_info: ~[U]) -> cat<U> {
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cat {
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meows: in_x,
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how_hungry: in_y,
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info: in_info
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}
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}
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pub fn main() {
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let nyan : cat<int> = cat::<int>(52u, 99, ~[9]);
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let kitty = cat(1000u, 2, ~[~"tabby"]);
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assert(nyan.how_hungry == 99);
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assert(kitty.how_hungry == 2);
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nyan.speak(~[1,2,3]);
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assert(nyan.meow_count() == 55u);
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kitty.speak(~[~"meow", ~"mew", ~"purr", ~"chirp"]);
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assert(kitty.meow_count() == 1004u);
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}
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