Trait EntityRef
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.