Struct ExtKey 

pub struct ExtKey<T> { /* private fields */ }

Typed handle for extension component storage.

Constructed via ExtKey::new with an explicit name, or ExtKey::from_type_name which uses std::any::type_name::<T>().

Implementations

impl<T> ExtKey<T>

pub const fn new(name: &'static str) -> Self

Create a key with an explicit storage name.

pub fn from_type_name() -> Self

Create a key using std::any::type_name::<T>() as the storage name.

pub const fn name(&self) -> &'static str

The storage name for this key.

Trait Implementations

impl<T> Clone for ExtKey<T>

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<T: Debug> Debug for ExtKey<T>

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

Formats the value using the given formatter.

impl<T> Default for ExtKey<T>

fn default() -> Self

Returns the “default value” for a type.

impl<T> Copy for ExtKey<T>