Struct ContextProvider

pub struct ContextProvider { /* private fields */ }

Provider for component context

Implementations

impl ContextProvider

pub fn new() -> Self

Create a new context provider

pub fn with_parent(parent: ContextProvider) -> Self

Create a context provider with a parent

pub fn provide<T: Clone + Send + Sync + Debug + 'static>( &self, value: T, ) -> Result<(), String>

Set a value in the context

pub fn consume<T: Clone + Send + Sync + 'static>(&self) -> Option<T>

Get a value from the context

pub fn has<T: 'static>(&self) -> bool

Check if a type exists in the context

pub fn remove<T: 'static>(&self) -> bool

Remove a value from the context

Trait Implementations

impl Clone for ContextProvider

fn clone(&self) -> ContextProvider

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for ContextProvider

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

Formats the value using the given formatter.

impl Default for ContextProvider

fn default() -> ContextProvider

Returns the “default value” for a type.