Struct prometrics::label::LabelsMut

pub struct LabelsMut<'a> { /* fields omitted */ }

A mutable map of labels (i.e., key-value pairs).

Methods

impl<'a> LabelsMut<'a>

pub fn insert(&mut self, name: &str, value: &str) -> Result<()>

Inserts the label.

pub fn remove(&mut self, name: &str)

Removes the label which has the name name if it exists.

pub fn clear(&mut self)

Clears the all labels.

Methods from Deref<Target = Labels>

pub fn len(&self) -> usize

Returns the number of labels contained in this map.

pub fn is_empty(&self) -> bool

Returns true if this map has no labels, otherwise false.

pub fn get(&self, name: &str) -> Option<&Label>

Returns the label which has the name name.

pub fn iter(&self) -> Iter

Returns an iterator which visiting all labels in this map.

Trait Implementations

impl<'a> Debug for LabelsMut<'a>

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

Formats the value using the given formatter.

impl<'a> Deref for LabelsMut<'a>

type Target = Labels

The resulting type after dereferencing.

fn deref(&self) -> &Self::Target

Dereferences the value.