Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Put len before xs for better memory layout #255

Merged
merged 1 commit into from
Mar 7, 2024
Merged

Put len before xs for better memory layout #255

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
3 changes: 2 additions & 1 deletion src/array_string.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -31,10 +31,11 @@ use serde::{Serialize, Deserialize, Serializer, Deserializer};
/// The string is a contiguous value that you can store directly on the stack
/// if needed.
#[derive(Copy)]
#[repr(C)]
pub struct ArrayString<const CAP: usize> {
// the `len` first elements of the array are initialized
xs: [MaybeUninit<u8>; CAP],
len: LenUint,
xs: [MaybeUninit<u8>; CAP],
}

impl<const CAP: usize> Default for ArrayString<CAP>
Expand Down
3 changes: 2 additions & 1 deletion src/arrayvec.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -39,10 +39,11 @@ use crate::utils::MakeMaybeUninit;
///
/// It offers a simple API but also dereferences to a slice, so that the full slice API is
/// available. The ArrayVec can be converted into a by value iterator.
#[repr(C)]
pub struct ArrayVec<T, const CAP: usize> {
len: LenUint,
// the `len` first elements of the array are initialized
xs: [MaybeUninit<T>; CAP],
len: LenUint,
}

impl<T, const CAP: usize> Drop for ArrayVec<T, CAP> {
Expand Down
Loading