2012-12-10 19:32:48 -06:00
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// 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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2012-09-11 19:46:20 -05:00
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extern mod std;
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2012-08-21 21:51:43 -05:00
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/**
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* A function that returns a hash of a value
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*
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* The hash should concentrate entropy in the lower bits.
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*/
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type HashFn<K> = pure fn~(K) -> uint;
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type EqFn<K> = pure fn~(K, K) -> bool;
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enum LinearMap<K,V> {
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LinearMap_({
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resize_at: uint,
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size: uint})
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}
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fn linear_map<K,V>() -> LinearMap<K,V> {
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LinearMap_({
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resize_at: 32,
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size: 0})
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}
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impl<K,V> LinearMap<K,V> {
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fn len(&mut self) -> uint {
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self.size
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}
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}
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fn main() {
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let mut m = ~linear_map::<(),()>();
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assert m.len() == 0;
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}
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