Trait IntoCleanup 

pub trait IntoCleanup {
    // Required method
    fn into_cleanup(self) -> Option<Box<dyn FnOnce()>>;
}

What an effect may hand back: nothing, or the work that undoes it.

Required Methods

fn into_cleanup(self) -> Option<Box<dyn FnOnce()>>

The cleanup, if there is one.

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementations on Foreign Types

impl IntoCleanup for ()

fn into_cleanup(self) -> Option<Box<dyn FnOnce()>>

Implementors

impl<F: FnOnce() + 'static> IntoCleanup for F