Trait Index

pub trait Index {
    type Key: ?Sized + Hash + PartialEq + Eq;

    // Required method
    fn index(&self) -> &Self::Key;
}

Available on crate feature index-map only.

Expand description

The main index type to implement for each type to be stored in an IndexMap.

Required Associated Types§

The type of the key.

The index function which returns a reference to the key stored in the object.