Struct MetadataView 

pub struct MetadataView { /* private fields */ }

Read-only view of metadata

Implementations

impl MetadataView

pub fn new(metadata: HashMap<String, String>) -> MetadataView

Create a new metadata view

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

Get metadata value by key

pub fn contains(&self, key: &str) -> bool

Check if metadata key exists

Trait Implementations

impl Clone for MetadataView

fn clone(&self) -> MetadataView

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for MetadataView

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

Formats the value using the given formatter.

impl Default for MetadataView

fn default() -> MetadataView

Returns the “default value” for a type.