pub enum MetricUnit {
    Duration(DurationUnit),
    Information(InformationUnit),
    Fraction(FractionUnit),
    Custom(CustomUnit),
    None,
}
Expand description

The unit of measurement of a metric value.

Units augment metric values by giving them a magnitude and semantics. There are certain types of units that are subdivided in their precision, such as the DurationUnit for time measurements.

Units and their precisions are uniquely represented by a string identifier.

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Duration(DurationUnit)

A time duration, defaulting to "millisecond".

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Information(InformationUnit)

Size of information derived from bytes, defaulting to "byte".

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Fraction(FractionUnit)

Fractions such as percentages, defaulting to "ratio".

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Custom(CustomUnit)

User-defined units without built-in conversion or default.

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None

Untyped value without a unit ("").

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impl MetricUnit

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pub fn is_none(&self) -> bool

Returns true if the metric_unit is None.

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pub fn as_str(&self) -> &str

Returns the string representation for this metric unit.

Trait Implementations§

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impl Clone for MetricUnit

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fn clone(&self) -> MetricUnit

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 Debug for MetricUnit

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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 Default for MetricUnit

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fn default() -> MetricUnit

Returns the “default value” for a type. Read more
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impl<'de> Deserialize<'de> for MetricUnit

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fn deserialize<D>( deserializer: D ) -> Result<MetricUnit, <D as Deserializer<'de>>::Error>
where D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl Display for MetricUnit

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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 Empty for MetricUnit

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fn is_empty(&self) -> bool

Returns whether this value is empty.
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fn is_deep_empty(&self) -> bool

Returns whether this value is empty or all of its descendants are empty. Read more
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impl FromStr for MetricUnit

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type Err = ParseMetricUnitError

The associated error which can be returned from parsing.
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fn from_str(s: &str) -> Result<MetricUnit, <MetricUnit as FromStr>::Err>

Parses a string s to return a value of this type. Read more
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impl FromValue for MetricUnit

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fn from_value(value: Annotated<Value>) -> Annotated<MetricUnit>

Creates a meta structure from an annotated boxed value.
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impl Hash for MetricUnit

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fn hash<__H>(&self, state: &mut __H)
where __H: Hasher,

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl IntoValue for MetricUnit

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fn into_value(self) -> Value

Boxes the meta structure back into a value.
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fn serialize_payload<S>( &self, s: S, _behavior: SkipSerialization ) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error>

Efficiently serializes the payload directly.
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fn extract_child_meta(&self) -> BTreeMap<String, MetaTree>
where Self: Sized,

Extracts children meta map out of a value.
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fn extract_meta_tree(value: &Annotated<Self>) -> MetaTree
where Self: Sized,

Extracts the meta tree out of annotated value. Read more
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impl JsonSchema for MetricUnit

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fn schema_name() -> String

The name of the generated JSON Schema. Read more
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fn json_schema(gen: &mut SchemaGenerator) -> Schema

Generates a JSON Schema for this type. Read more
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fn is_referenceable() -> bool

Whether JSON Schemas generated for this type should be re-used where possible using the $ref keyword. Read more
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impl PartialEq for MetricUnit

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fn eq(&self, other: &MetricUnit) -> bool

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Serialize for MetricUnit

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fn serialize<S>( &self, serializer: S ) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error>
where S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl Copy for MetricUnit

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impl Eq for MetricUnit

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impl StructuralPartialEq for MetricUnit

Auto Trait Implementations§

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> DynClone for T
where T: Clone,

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fn __clone_box(&self, _: Private) -> *mut ()

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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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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> ToString for T
where T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. 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<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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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
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impl<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,