Replace memoffset::offset_of! with core::mem::offset_of! (#29)

Closes #9

Cargo.toml

@@ -21,7 +21,6 @@ hashbrown = { version = "0.14.3", default-features = false, features = [
     "inline-more",
 ] }
 indexmap = { version = "2.2.3", default-features = false }
-memoffset = "0.9.0"
 rayon = { version = "1.8.1", optional = true }
 slab = "0.4.9"
 

src/event.rs

@@ -6,6 +6,7 @@ use alloc::{format, vec, vec::Vec};
 use core::alloc::Layout;
 use core::any::TypeId;
 use core::marker::PhantomData;
+use core::mem::offset_of;
 use core::num::NonZeroU32;
 use core::ops::{Deref, DerefMut, Index};
 use core::panic::{RefUnwindSafe, UnwindSafe};
@@ -15,7 +16,6 @@ use core::{any, fmt};
 use bumpalo::Bump;
 use evenio_macros::all_tuples;
 pub use evenio_macros::Event;
-use memoffset::offset_of;
 
 use crate::access::Access;
 use crate::archetype::Archetype;

src/lib.rs

@@ -38,12 +38,6 @@ pub mod world;
 #[cfg_attr(docsrs, doc(cfg(feature = "rayon")))]
 pub use rayon;
 
-/// For macros only.
-#[doc(hidden)]
-pub mod __private {
-    pub use memoffset::offset_of;
-}
-
 /// Re-exports of the most commonly used items in the library.
 ///
 /// This is intended to be glob-imported like so: