pub trait EntityRef: Copy + Eq {
// Required methods
fn new(_: usize) -> Self;
fn index(self) -> usize;
}Expand description
A type wrapping a small integer index should implement EntityRef so it can be used as the key
of an SecondaryMap or SparseMap.
Required Methods§
Dyn Compatibility§
This trait is not dyn compatible.
In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.