Struct ExtensionContainer

pub struct ExtensionContainer { /* private fields */ }

Contains extensions

Implementations

impl ExtensionContainer

pub fn add<E: Extension, S: AsRef<str>>( &mut self, name: S, value: E, ) -> Result<(), ExtensionError>

Adds a new extension to this container

Error

Will return an error if name is already registered to this container

pub fn get<S: AsRef<str>>( &self, name: S, ) -> ProjectResult<&Box<dyn Any + Send + Sync>>

Gets a reference to an extension, if it exists

pub fn get_mut<S: AsRef<str>>( &mut self, name: S, ) -> ProjectResult<&mut Box<dyn Any + Send + Sync>>

Gets a mutable reference to an extension, if it exists

pub fn get_by_type<E: Extension>(&self) -> ProjectResult<&E>

If a single extension is registered with a given type, a reference to that value is returned as Ok(_)

pub fn get_by_type_mut<E: Extension>(&mut self) -> ProjectResult<&mut E>

If a single extension is registered with a given type, a mutable reference to that value is returned as Some(_)

Trait Implementations

impl Debug for ExtensionContainer

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

Formats the value using the given formatter.

impl Default for ExtensionContainer

fn default() -> ExtensionContainer

Returns the “default value” for a type.

impl Index<&str> for ExtensionContainer

type Output = Box<dyn Any + Sync + Send>

The returned type after indexing.

fn index(&self, index: &str) -> &Self::Output

Performs the indexing (container[index]) operation.

impl Index<String> for ExtensionContainer

type Output = Box<dyn Any + Sync + Send>

The returned type after indexing.

fn index(&self, index: String) -> &Self::Output

Performs the indexing (container[index]) operation.

impl IndexMut<&str> for ExtensionContainer

fn index_mut(&mut self, index: &str) -> &mut Self::Output

Performs the mutable indexing (container[index]) operation.

impl IndexMut<String> for ExtensionContainer

fn index_mut(&mut self, index: String) -> &mut Self::Output

Performs the mutable indexing (container[index]) operation.