pub trait FoldFn<R: Rt, E: UserEvent>:
Debug
+ Send
+ Sync
+ 'static {
type Collection: MapCollection;
const NAME: &str;
const TYP: LazyLock<FnType>;
}Required Associated Constants§
Required Associated Types§
Dyn Compatibility§
This trait is not dyn compatible.
In older versions of Rust, dyn compatibility was called "object safety".