Trait IntoOptionalCleanFn

pub trait IntoOptionalCleanFn: Sized {
    type CleanFn: 'static + FnOnce();

    // Required method
    fn into_optional_clean_fn(self) -> Option<Self::CleanFn>;
}

Required Associated Types

type CleanFn: 'static + FnOnce()

Required Methods

fn into_optional_clean_fn(self) -> Option<Self::CleanFn>

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 IntoOptionalCleanFn for ()

type CleanFn = &'static dyn Fn()

fn into_optional_clean_fn(self) -> Option<Self::CleanFn>

impl<T: IntoOptionalCleanFn> IntoOptionalCleanFn for Option<T>

type CleanFn = <T as IntoOptionalCleanFn>::CleanFn

fn into_optional_clean_fn(self) -> Option<Self::CleanFn>

Implementors

impl<F> IntoOptionalCleanFn for F

where F: 'static + FnOnce(),

type CleanFn = F