Struct AppContext

pub struct AppContext { /* private fields */ }

AppContext Is Used for Managing state in your Feather Application
Context Should only used with objects like Connections and Custom Structs!

Implementations

impl AppContext

pub fn get_state<T: 'static>(&self) -> Option<&T>

Used the Read the State from the Context you can use the turbofish syntax to access objects
Like this:

let db = ctx.read_state::<Connection>();

pub fn get_mut_state<T: 'static>(&mut self) -> Option<&mut T>

Used the Read the State from the Context you can use the turbofish syntax to access objects
Like this:

let db = ctx.read_state::<Connection>();

Returns a Mutable referance to the object

pub fn set_state<T: 'static>(&mut self, val: T)

Used to Capture a Object as a State Inside the Context
That object Ownership now gets transfered to the context
This method is very useful when using database connections and file accesses

Trait Implementations

impl Debug for AppContext

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

Formats the value using the given formatter.