corlib::has_one

Trait HasOne

Source 
pub trait HasOne<T> {
    // Required method
    fn one() -> T;
}
Expand description

Can the type have a representation of one?

Required Methods§

Source

fn one() -> T

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§