Trait serde_closure::traits::FnOnceBox

pub trait FnOnceBox<A> {
    type Output;

    fn call_once_box(self: Box<Self>, args: A) -> Self::Output;
}

Expand description

A version of the FnOnce trait intended to be used for boxed trait objects to make them callable on stable Rust.

let t: Box<dyn FnOnceBox(…) -> …> = …;
let output = t.call_once_box((…,));

Required Associated Types

The returned type after the call operator is used.

Performs the call operation on a Box<dyn FnOnceBox(…) -> …>.