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Added documentation / HeapAllocable

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This commit is contained in:
Paul Masurel
2016-09-22 14:32:44 +09:00
parent 994f223e35
commit ca331e7fe5
12 changed files with 177 additions and 78 deletions
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15
src/datastruct/stacker/hashmap.rs
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@@ -1,6 +1,9 @@
use std::iter;
use std::marker::PhantomData;
use super::heap::{Heap, BytesRef};
use super::heap::{Heap, HeapAllocable, BytesRef};
/// dbj2 hash function
fn djb2(key: &[u8]) -> u64 {
@@ -54,7 +57,7 @@ pub enum Entry {
/// the computation of the hash of the key twice,
/// or copying the key as long as there is no insert.
///
pub struct HashMap<'a, V> where V: From<u32> {
pub struct HashMap<'a, V> where V: HeapAllocable {
table: Box<[KeyValue]>,
heap: &'a Heap,
_phantom: PhantomData<V>,
@@ -62,7 +65,7 @@ pub struct HashMap<'a, V> where V: From<u32> {
occupied: Vec<usize>,
}
impl<'a, V> HashMap<'a, V> where V: From<u32> {
impl<'a, V> HashMap<'a, V> where V: HeapAllocable {
pub fn new(num_bucket_power_of_2: usize, heap: &'a Heap) -> HashMap<'a, V> {
let table_size = 1 << num_bucket_power_of_2;
@@ -157,7 +160,7 @@ impl<'a, V> HashMap<'a, V> where V: From<u32> {
mod tests {
use super::*;
use super::super::heap::Heap;
use super::super::heap::{Heap, HeapAllocable};
use super::djb2;
use test::Bencher;
use std::hash::SipHasher;
@@ -168,8 +171,8 @@ mod tests {
_addr: u32,
}
impl From<u32> for TestValue {
fn from(addr: u32) -> TestValue {
impl HeapAllocable for TestValue {
fn with_addr(addr: u32) -> TestValue {
TestValue {
val: 0u32,
_addr: addr,