Trait core::ops::FnOnce

pub trait FnOnce<Args> {
    type Output;
    extern "rust-call" fn call_once(self, args: Args) -> Self::Output;
}

A version of the call operator that takes a by-value receiver.

Associated Types

type Output

The returned type after the call operator is used.

Required Methods

extern "rust-call" fn call_once(self, args: Args) -> Self::Output

Unstable (fn_traits #29625)

This is called when the call operator is used.

Implementors

• impl<'a, A, F: ?Sized> FnOnce<A> for &'a F where F: Fn<A>
• impl<'a, A, F: ?Sized> FnOnce<A> for &'a mut F where F: FnMut<A>