Skip to main content

FnHandler

forge_alloc

Struct FnHandler 

Source 
pub struct FnHandler<F>(pub F);
Expand description

Dispatches every event to a user-supplied closure. The closure receives the level via event.level.

Tuple Fields§

§0: F

Trait Implementations§

Source§

impl<F> WatermarkHandler for FnHandler<F>
where F: Fn(WatermarkEvent) + Send + Sync,

Source§

fn on_warn(&self, event: WatermarkEvent)

Called once per crossing of the warn_pct threshold (rising edge).
Source§

fn on_critical(&self, event: WatermarkEvent)

Called once per crossing of the critical_pct threshold (rising edge).
Source§

fn on_oom(&self, event: WatermarkEvent)

Called when an allocation returns AllocError.

Auto Trait Implementations§

§

impl<F> Freeze for FnHandler<F>
where F: Freeze,

§

impl<F> RefUnwindSafe for FnHandler<F>
where F: RefUnwindSafe,

§

impl<F> Send for FnHandler<F>
where F: Send,

§

impl<F> Sync for FnHandler<F>
where F: Sync,

§

impl<F> Unpin for FnHandler<F>
where F: Unpin,

§

impl<F> UnsafeUnpin for FnHandler<F>
where F: UnsafeUnpin,

§

impl<F> UnwindSafe for FnHandler<F>
where F: UnwindSafe,

Blanket Implementations§

Source§

impl<T> Any for T
where T: 'static + ?Sized,

Source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
Source§

impl<T> Borrow<T> for T
where T: ?Sized,

Source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
Source§

impl<T> BorrowMut<T> for T
where T: ?Sized,

Source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
Source§

impl<T> From<T> for T

Source§

fn from(t: T) -> T

Returns the argument unchanged.

Source§

impl<T, U> Into<U> for T
where U: From<T>,

Source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

Source§

impl<T, U> TryFrom<U> for T
where U: Into<T>,

Source§

type Error = Infallible

The type returned in the event of a conversion error.
Source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
Source§

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

Source§

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

The type returned in the event of a conversion error.
Source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.