Trait DictKey 

pub trait DictKey {
    const VARIANTS: &'static [&'static str];

    // Required method
    fn variant_index(self) -> usize;
}

Trait for types that can be used as dictionary keys

Required Associated Constants

const VARIANTS: &'static [&'static str]

Required Methods

fn variant_index(self) -> usize

Convert to usize index

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.

Implementors