Struct LabelIndex 

pub struct LabelIndex { /* private fields */ }

Keeps label names unique and provides the value for the x-reduct-labels header.

Implementations

impl LabelIndex

pub fn ensure(&mut self, name: &str) -> usize

Returns the index of the label name, inserting it if missing.

pub fn as_header(&self) -> Option<HeaderValue>

Returns the header value for x-reduct-labels if at least one label was registered.

pub fn names(&self) -> &[String]

Returns the collected label names.

Trait Implementations

impl Clone for LabelIndex

fn clone(&self) -> LabelIndex

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for LabelIndex

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

Formats the value using the given formatter.

impl Default for LabelIndex

fn default() -> LabelIndex

Returns the “default value” for a type.