Trait SharedNiching 

pub unsafe trait SharedNiching<N1, N2> { }

Trait to allow NichedOption<Self, N1> to be niched further by N2.

Safety

Implementors must ensure that the memory regions within Self that are used for Niching impls of N1 and N2 are mutually exclusive.

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors