Trait gain_lep::FunMut[−][src]

pub trait FunMut {
    fn invoke(
        &mut self, 
        list: &Rc<dyn Any + 'static>
    ) -> Result<Rc<dyn Any + 'static>, String>;
}
Expand description

FunMut is an extension function object with side-effects.

Required methods

Implementors