Trait Ballot 

pub trait Ballot:
    Debug
    + Deref
    + Send
    + Sync
    + Clone
    + Serialize { }

A ballot type that can be cast in an election. A ballot is an expression of a voter’s preferences. There are three ballot types: Nominal, Ordinal, and Cardinal.

Dyn Compatibility

This trait is not dyn compatible.

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

Implementors

impl Ballot for Cardinal

impl Ballot for Nominal

impl Ballot for Ordinal