Trait viz::prelude::Guard

pub trait Guard: 'static + Send + Sync {
    fn check(&self, &Context) -> bool;
}

A guard for Context

Required methods

fn check(&self, &Context) -> bool

Checks the Context

Implementations on Foreign Types

impl Guard for Box<dyn Guard + 'static, Global>

pub fn check(&self, cx: &Context) -> bool

Implementors

impl<F> Guard for F where
    F: 'static + Send + Sync + Fn(&Context) -> bool,