34 lines
558 B
Rust
34 lines
558 B
Rust
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use std;
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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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