Trait query_interface::ObjectExt
[−]
[src]
pub trait ObjectExt {
fn query_ref<U: Any + ?Sized>(&self) -> Option<&U>;
fn query_mut<U: Any + ?Sized>(&mut self) -> Option<&mut U>;
fn query<U: Any + ?Sized>(self: Box<Self>) -> Result<Box<U>, Box<Self>>;
}