pub struct Counter<P>
where P: Atomic,
{ /* private fields */ }
Expand description

The underlying implementation for Counter and IntCounter.

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impl<P> GenericCounter<P>
where P: Atomic,

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pub fn new<S1, S2>(name: S1, help: S2) -> Result<GenericCounter<P>, Error>
where S1: Into<String>, S2: Into<String>,

Create a GenericCounter with the name and help arguments.

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pub fn with_opts(opts: Opts) -> Result<GenericCounter<P>, Error>

Create a GenericCounter with the opts options.

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pub fn inc_by(&self, v: <P as Atomic>::T)

Increase the given value to the counter.

Panics

Panics in debug build if the value is < 0.

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pub fn inc(&self)

Increase the counter by 1.

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pub fn get(&self) -> <P as Atomic>::T

Return the counter value.

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pub fn reset(&self)

Restart the counter, resetting its value back to 0.

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pub fn local(&self) -> GenericLocalCounter<P>

Return a GenericLocalCounter for single thread usage.

Trait Implementations§

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impl<P> Clone for GenericCounter<P>
where P: Atomic,

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fn clone(&self) -> GenericCounter<P>

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<P> Collector for GenericCounter<P>
where P: Atomic,

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fn desc(&self) -> Vec<&Desc>

Return descriptors for metrics.
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fn collect(&self) -> Vec<MetricFamily>

Collect metrics.
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impl<P> Debug for GenericCounter<P>
where P: Debug + Atomic,

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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more
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impl<P> Metric for GenericCounter<P>
where P: Atomic,

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fn metric(&self) -> Metric

Return the protocol Metric.

Auto Trait Implementations§

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impl<P> RefUnwindSafe for GenericCounter<P>
where P: RefUnwindSafe,

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impl<P> Send for GenericCounter<P>

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impl<P> Sync for GenericCounter<P>

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impl<P> Unpin for GenericCounter<P>

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impl<P> UnwindSafe for GenericCounter<P>
where P: RefUnwindSafe,

Blanket Implementations§

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

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

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a [WithDispatch] wrapper. Read more