Struct LabelValue 

pub struct LabelValue(/* private fields */);

A label name or value.

String literals preserve the existing allocation-free path. Dynamic strings can be stored behind Arc<str>, so cloning a Label only increments an atomic reference count and does not allocate or copy the underlying string data.

Implementations

impl LabelValue

pub fn as_str(&self) -> &str

Return this label value as a string slice.

Trait Implementations

impl Clone for LabelValue

fn clone(&self) -> LabelValue

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for LabelValue

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

Formats the value using the given formatter.

impl Display for LabelValue

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

Formats the value using the given formatter.

impl Eq for LabelValue

impl From<&'static str> for LabelValue

fn from(value: &'static str) -> Self

Converts to this type from the input type.

impl From<Arc<str>> for LabelValue

fn from(value: Arc<str>) -> Self

Converts to this type from the input type.

impl From<Cow<'static, str>> for LabelValue

fn from(value: Cow<'static, str>) -> Self

Converts to this type from the input type.

impl From<String> for LabelValue

fn from(value: String) -> Self

Converts to this type from the input type.

impl Hash for LabelValue

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

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for LabelValue

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

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.