Trait Contains 

pub unsafe trait Contains<E> { }

Implemented if a set contains the element E.

Safety

Implementing this is unsafe, for custom set-types, implement AsSet instead.

Dyn Compatibility

This trait is dyn compatible.

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

Implementors

impl<T, E> Contains<E> for Set<T>

where T: Contains<E> + ?Sized,

impl<T, E> Contains<E> for T

where T: AsSet, T::Set: Contains<E>,