//! Entity identity and generational allocation for one [`crate::world::World`].
//!//! [`EntityId`] is the public opaque handle. Allocation and slot lifecycle live in the private
//! generational allocator used by spawn, reserve, and despawn paths.
modallocator;modid;pub(crate)useallocator::{AllocatorError, EntityAllocator};pubuseid::EntityId;