Trait FilterFn 

pub trait FilterFn:
    'static
    + Sync
    + Send
    + UnwindSafe
    + RefUnwindSafe
    + Fn(&Record<'_>) -> bool { }

Function that can be used in Filter drain

Implementors

impl<T> FilterFn for T

where T: 'static + Sync + Send + ?Sized + UnwindSafe + RefUnwindSafe + Fn(&Record<'_>) -> bool,