Trait RuleExt 

pub trait RuleExt {
    // Required method
    fn downcast_ref<T: 'static>(&self) -> Option<&T>;
}

Extension trait to add downcasting capabilities to Rule

Required Methods

fn downcast_ref<T: 'static>(&self) -> Option<&T>

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementations on Foreign Types

impl<R: Rule + 'static> RuleExt for Box<R>

fn downcast_ref<T: 'static>(&self) -> Option<&T>

Implementors