Trait OptionHelper

pub trait OptionHelper {
    // Required method
    fn on_none<F: FnOnce()>(self, f: F) -> Self;
}

Helper operations on Option<T>.

Required Methods

fn on_none<F: FnOnce()>(self, f: F) -> Self

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.

Implementations on Foreign Types

impl<T> OptionHelper for Option<T>

fn on_none<F: FnOnce()>(self, f: F) -> Self

Implementors