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global: replace Value enum with Cow

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This commit is contained in:
nym21
2025-06-27 20:39:19 +02:00
parent 8ea13544de
commit 663092b501
25 changed files with 239 additions and 220 deletions
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11
crates/brk_vec/src/traits/generic.rs
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@@ -1,4 +1,5 @@
use std::{
borrow::Cow,
fs::{File, OpenOptions},
io::{self, Seek, SeekFrom, Write},
path::{Path, PathBuf},
@@ -6,7 +7,7 @@ use std::{
};
use arc_swap::ArcSwap;
use brk_core::{Result, Value};
use brk_core::Result;
use memmap2::Mmap;
use crate::{AnyVec, HEADER_OFFSET, Header};
@@ -28,11 +29,11 @@ where
fn read_(&self, index: usize, mmap: &Mmap) -> Result<Option<T>>;
#[inline]
fn get_or_read(&self, index: I, mmap: &Mmap) -> Result<Option<Value<T>>> {
fn get_or_read(&self, index: I, mmap: &Mmap) -> Result<Option<Cow<T>>> {
self.get_or_read_(index.to_usize()?, mmap)
}
#[inline]
fn get_or_read_(&self, index: usize, mmap: &Mmap) -> Result<Option<Value<T>>> {
fn get_or_read_(&self, index: usize, mmap: &Mmap) -> Result<Option<Cow<T>>> {
let stored_len = self.stored_len_(mmap);
if index >= stored_len {
@@ -41,9 +42,9 @@ where
if j >= pushed.len() {
return Ok(None);
}
Ok(pushed.get(j).map(Value::Ref))
Ok(pushed.get(j).map(Cow::Borrowed))
} else {
Ok(self.read_(index, mmap)?.map(Value::Owned))
Ok(self.read_(index, mmap)?.map(Cow::Owned))
}
}