Struct Attributes 

pub struct Attributes { /* private fields */ }

Collection of attributes.

Implementations

impl Attributes

pub const fn new() -> Self

Create a new empty attribute collection.

pub const fn from_vec(attributes: Vec<Attribute>) -> Self

Create from a vector of attributes.

pub fn add(&mut self, attribute: Attribute) -> Result<()>

Add an attribute.

Errors

Returns error if an attribute with the same name already exists.

pub fn set(&mut self, attribute: Attribute)

Add or replace an attribute.

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

Get an attribute by name.

pub fn get_mut(&mut self, name: &str) -> Option<&mut Attribute>

Get a mutable reference to an attribute by name.

pub fn get_value(&self, name: &str) -> Option<&AttributeValue>

Get an attribute value by name.

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

Check if an attribute exists.

pub fn len(&self) -> usize

Get the number of attributes.

pub fn is_empty(&self) -> bool

Check if empty.

pub fn iter(&self) -> impl Iterator<Item = &Attribute>

Get an iterator over attributes.

pub fn names(&self) -> Vec<&str>

Get names of all attributes.

pub fn remove(&mut self, name: &str) -> Option<Attribute>

Remove an attribute by name.

Trait Implementations

impl Clone for Attributes

fn clone(&self) -> Attributes

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Attributes

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

Formats the value using the given formatter.

impl Default for Attributes

fn default() -> Attributes

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for Attributes

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl FromIterator<Attribute> for Attributes

fn from_iter<T: IntoIterator<Item = Attribute>>(iter: T) -> Self

Creates a value from an iterator.

impl<'a> IntoIterator for &'a Attributes

type Item = &'a Attribute

The type of the elements being iterated over.

type IntoIter = Iter<'a, Attribute>

Which kind of iterator are we turning this into?

fn into_iter(self) -> Self::IntoIter

Creates an iterator from a value.

impl IntoIterator for Attributes

type Item = Attribute

The type of the elements being iterated over.

type IntoIter = IntoIter<Attribute>

Which kind of iterator are we turning this into?

fn into_iter(self) -> Self::IntoIter

Creates an iterator from a value.

impl Serialize for Attributes

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.