Trait fera_optional::BuildNone

pub trait BuildNone<T> {
    fn none() -> T;
    fn desc() -> &'static str;
}

A builder for None values for type T.

Required Methods

fn none() -> T

fn desc() -> &'static str

Implementors

impl<T: Bounded> BuildNone<T> for MaxNone<T>

impl<T: Bounded> BuildNone<T> for MinNone<T>