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Introduce a collections crate w/ deterministic hashmap, hashset in tests

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Co-Authored-By: Nathan Sobo <nathan@zed.dev>
This commit is contained in:
Max Brunsfeld 2021-11-29 15:22:45 -08:00
parent 5ec003530f
commit 1a91aa8194
8 changed files with 59 additions and 42 deletions
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26
crates/buffer/src/lib.rs
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@ -12,6 +12,7 @@ mod tests;
pub use anchor::*;
use anyhow::{anyhow, Result};
use clock::ReplicaId;
use collections::{HashMap, HashSet};
use operation_queue::OperationQueue;
pub use point::*;
pub use point_utf16::*;
@ -31,31 +32,6 @@ use std::{
pub use sum_tree::Bias;
use sum_tree::{FilterCursor, SumTree};
#[cfg(any(test, feature = "test-support"))]
#[derive(Clone, Default)]
pub struct DeterministicState;
#[cfg(any(test, feature = "test-support"))]
impl std::hash::BuildHasher for DeterministicState {
type Hasher = seahash::SeaHasher;
fn build_hasher(&self) -> Self::Hasher {
seahash::SeaHasher::new()
}
}
#[cfg(any(test, feature = "test-support"))]
type HashMap<K, V> = std::collections::HashMap<K, V, DeterministicState>;
#[cfg(any(test, feature = "test-support"))]
type HashSet<T> = std::collections::HashSet<T, DeterministicState>;
#[cfg(not(any(test, feature = "test-support")))]
type HashMap<K, V> = std::collections::HashMap<K, V>;
#[cfg(not(any(test, feature = "test-support")))]
type HashSet<T> = std::collections::HashSet<T>;
#[derive(Clone)]
pub struct Buffer {
fragments: SumTree<Fragment>,