[][src]Struct slog::Filter

pub struct Filter<D: Drain, F>(pub D, pub F)
where
    F: Fn(&Record) -> bool + 'static + Send + Sync
;

Drain filtering records

Wraps another Drain and passes Records to it, only if they satisfy a given condition.

Methods

impl<D: Drain, F> Filter<D, F> where
    F: FilterFn
[src]

pub fn new(drain: D, cond: F) -> Self[src]

Create Filter wrapping given drain

Trait Implementations

impl<D: Drain, F> Drain for Filter<D, F> where
    F: FilterFn
[src]

type Ok = Option<D::Ok>

Type returned by this drain Read more

type Err = D::Err

Type of potential errors that can be returned by this Drain

fn is_critical_enabled(&self) -> bool[src]

Avoid: See is_enabled

fn is_error_enabled(&self) -> bool[src]

Avoid: See is_enabled

fn is_warning_enabled(&self) -> bool[src]

Avoid: See is_enabled

fn is_info_enabled(&self) -> bool[src]

Avoid: See is_enabled

fn is_debug_enabled(&self) -> bool[src]

Avoid: See is_enabled

fn is_trace_enabled(&self) -> bool[src]

Avoid: See is_enabled

fn map<F, R>(self, f: F) -> R where
    Self: Sized,
    F: FnOnce(Self) -> R, 
[src]

Pass Drain through a closure, eg. to wrap into another Drain. Read more

fn filter<F>(self, f: F) -> Filter<Self, F> where
    Self: Sized,
    F: FilterFn
[src]

Filter logging records passed to Drain Read more

fn filter_level(self, level: Level) -> LevelFilter<Self> where
    Self: Sized
[src]

Filter logging records passed to Drain (by level) Read more

fn map_err<F, E>(self, f: F) -> MapError<Self, E> where
    Self: Sized,
    F: MapErrFn<Self::Err, E>, 
[src]

Map logging errors returned by this drain Read more

fn ignore_res(self) -> IgnoreResult<Self> where
    Self: Sized
[src]

Ignore results returned by this drain Read more

fn fuse(self) -> Fuse<Self> where
    Self::Err: Debug,
    Self: Sized
[src]

Make Self panic when returning any errors Read more

impl<D: Debug + Drain, F: Debug> Debug for Filter<D, F> where
    F: Fn(&Record) -> bool + 'static + Send + Sync
[src]

impl<D: Clone + Drain, F: Clone> Clone for Filter<D, F> where
    F: Fn(&Record) -> bool + 'static + Send + Sync
[src]

fn clone_from(&mut self, source: &Self)1.0.0[src]

Performs copy-assignment from source. Read more

Auto Trait Implementations

impl<D, F> Send for Filter<D, F> where
    D: Send

impl<D, F> Sync for Filter<D, F> where
    D: Sync

impl<D, F> Unpin for Filter<D, F> where
    D: Unpin,
    F: Unpin

impl<D, F> UnwindSafe for Filter<D, F> where
    D: UnwindSafe,
    F: UnwindSafe

impl<D, F> RefUnwindSafe for Filter<D, F> where
    D: RefUnwindSafe,
    F: RefUnwindSafe

Blanket Implementations

impl<T> SendSyncUnwindSafe for T where
    T: Send + Sync + UnwindSafe + ?Sized
[src]

impl<T> SendSyncUnwindSafeDrain for T where
    T: Drain + Send + Sync + UnwindSafe + ?Sized
[src]

impl<T> SendSyncRefUnwindSafeDrain for T where
    T: Drain + Send + Sync + RefUnwindSafe + ?Sized
[src]

impl<T> SendRefUnwindSafeDrain for T where
    T: Drain + Send + RefUnwindSafe + ?Sized
[src]

impl<T, U> TryFrom<U> for T where
    U: Into<T>, 
[src]

type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> Into<U> for T where
    U: From<T>, 
[src]

impl<T> From<T> for T[src]

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, 
[src]

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

impl<T> Borrow<T> for T where
    T: ?Sized
[src]

impl<T> BorrowMut<T> for T where
    T: ?Sized
[src]

impl<T> Any for T where
    T: 'static + ?Sized
[src]

impl<T> ToOwned for T where
    T: Clone
[src]

type Owned = T

The resulting type after obtaining ownership.