Trait pyo3::impl_::extract_argument::FunctionArgumentHolder

pub trait FunctionArgumentHolder: Sized {
    const INIT: Self;
}

Trait for types which can be a function argument holder - they should to be able to const-initialize to an empty value.

Required Associated Constants

const INIT: Self

Object Safety

This trait is not object safe.

Implementations on Foreign Types

impl FunctionArgumentHolder for ()

const INIT: Self = ()

impl<T> FunctionArgumentHolder for Option<T>

const INIT: Self = None

Implementors