Trait ra_ap_stdx::IsNoneOr

pub trait IsNoneOr {
    type Type;

    // Required method
    fn is_none_or(self, s: impl FnOnce(Self::Type) -> bool) -> bool;
}

Required Associated Types

type Type

Required Methods

fn is_none_or(self, s: impl FnOnce(Self::Type) -> bool) -> bool

Object Safety

This trait is not object safe.

Implementations on Foreign Types

impl<T> IsNoneOr for Option<T>

type Type = T

fn is_none_or(self, f: impl FnOnce(T) -> bool) -> bool

Implementors