Trait EncodeLabelSet 

pub trait EncodeLabelSet {
    // Required method
    fn encode(&self, encoder: &mut dyn LabelSetEncoder) -> Result<()>;

    // Provided method
    fn is_empty(&self) -> bool { ... }
}

Trait for types that can be encoded as a set of labels.

This trait is implemented by types that represent collections of labels, such as vectors or maps of label pairs. It provides the ability to encode multiple labels as a complete set.

Example

// labels implements `EncodeLabelSet` and can be encoded as a label set
let labels = vec![("method", "GET"), ("status", "200")];

Required Methods

fn encode(&self, encoder: &mut dyn LabelSetEncoder) -> Result<()>

Encodes this set of labels using the provided LabelSetEncoder.

This method should encode all labels in the set using the provided encoder, typically by getting individual label encoder for each label in the set.

Provided Methods

fn is_empty(&self) -> bool

Returns whether the label set is empty.

Returns true if the label set contains no labels, and false otherwise.

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementations on Foreign Types

impl EncodeLabelSet for ()

fn encode(&self, _encoder: &mut dyn LabelSetEncoder) -> Result<()>

fn is_empty(&self) -> bool

impl<'a, T> EncodeLabelSet for &'a T

where T: ?Sized + EncodeLabelSet,

fn encode(&self, encoder: &mut dyn LabelSetEncoder) -> Result<()>

fn is_empty(&self) -> bool

impl<'a, T> EncodeLabelSet for &'a mut T

where T: ?Sized + EncodeLabelSet,

fn encode(&self, encoder: &mut dyn LabelSetEncoder) -> Result<()>

fn is_empty(&self) -> bool

impl<'a, T> EncodeLabelSet for Cow<'a, T>

where T: ?Sized + EncodeLabelSet + ToOwned,

fn encode(&self, encoder: &mut dyn LabelSetEncoder) -> Result<()>

fn is_empty(&self) -> bool

impl<K: EncodeLabelName, V: EncodeLabelValue> EncodeLabelSet for BTreeMap<K, V>

fn encode(&self, encoder: &mut dyn LabelSetEncoder) -> Result<()>

fn is_empty(&self) -> bool

impl<T: EncodeLabel, const N: usize> EncodeLabelSet for [T; N]

fn encode(&self, encoder: &mut dyn LabelSetEncoder) -> Result<()>

fn is_empty(&self) -> bool

impl<T: EncodeLabel> EncodeLabelSet for BTreeSet<T>

fn encode(&self, encoder: &mut dyn LabelSetEncoder) -> Result<()>

fn is_empty(&self) -> bool

impl<T: EncodeLabel> EncodeLabelSet for LinkedList<T>

fn encode(&self, encoder: &mut dyn LabelSetEncoder) -> Result<()>

fn is_empty(&self) -> bool

impl<T: EncodeLabel> EncodeLabelSet for Vec<T>

fn encode(&self, encoder: &mut dyn LabelSetEncoder) -> Result<()>

fn is_empty(&self) -> bool

impl<T: EncodeLabel> EncodeLabelSet for VecDeque<T>

fn encode(&self, encoder: &mut dyn LabelSetEncoder) -> Result<()>

fn is_empty(&self) -> bool

impl<T: EncodeLabel> EncodeLabelSet for [T]

fn encode(&self, encoder: &mut dyn LabelSetEncoder) -> Result<()>

fn is_empty(&self) -> bool

impl<T> EncodeLabelSet for Arc<T>

where T: ?Sized + EncodeLabelSet,

fn encode(&self, encoder: &mut dyn LabelSetEncoder) -> Result<()>

fn is_empty(&self) -> bool

impl<T> EncodeLabelSet for Box<T>

where T: ?Sized + EncodeLabelSet,

fn encode(&self, encoder: &mut dyn LabelSetEncoder) -> Result<()>

fn is_empty(&self) -> bool

impl<T> EncodeLabelSet for Rc<T>

where T: ?Sized + EncodeLabelSet,

fn encode(&self, encoder: &mut dyn LabelSetEncoder) -> Result<()>

fn is_empty(&self) -> bool

Implementors