Trait ross_config::filter::Filter [−][src]
pub trait Filter: Downcast + Debug {
fn filter(
&mut self,
value: &ExtractorValue<'_>,
state_manager: &mut StateManager
) -> Result<bool, FilterError>;
}
Required methods
fn filter(
&mut self,
value: &ExtractorValue<'_>,
state_manager: &mut StateManager
) -> Result<bool, FilterError>
Implementations
Returns true if the trait object wraps an object of type __T
.
Returns a boxed object from a boxed trait object if the underlying object is of type
__T
. Returns the original boxed trait if it isn’t.
Returns an Rc
-ed object from an Rc
-ed trait object if the underlying object is of
type __T
. Returns the original Rc
-ed trait if it isn’t.
Returns a reference to the object within the trait object if it is of type __T
, or
None
if it isn’t.
Returns a mutable reference to the object within the trait object if it is of type
__T
, or None
if it isn’t.