cairo_lang_utils

Trait OptionHelper

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

Helper operations on Option<T>.

Required Methods§

Source

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§

Source§

impl<T> OptionHelper for Option<T>

Source§

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

Implementors§