Struct egui::any::TypeMap

pub struct TypeMap(_);

Maps types to a single instance of that type.

Used to store state per widget type. In effect a sort of singleton storage. Similar to the typemap crate.

Implementations

impl TypeMap

pub fn get<T: AnyMapTrait>(&mut self) -> Option<&T>

pub fn get_mut<T: AnyMapTrait>(&mut self) -> Option<&mut T>

impl TypeMap

pub fn get_or_insert_with<T: AnyMapTrait>(
    &mut self,
    or_insert_with: impl FnOnce() -> T
) -> &T

pub fn get_or_default<T: AnyMapTrait + Default>(&mut self) -> &T

pub fn get_mut_or_insert_with<T: AnyMapTrait>(
    &mut self,
    or_insert_with: impl FnOnce() -> T
) -> &mut T

pub fn get_mut_or_default<T: AnyMapTrait + Default>(&mut self) -> &mut T

impl TypeMap

pub fn insert<T: AnyMapTrait>(&mut self, element: T)

pub fn remove<T: AnyMapTrait>(&mut self)

pub fn clear(&mut self)

Trait Implementations

impl Clone for TypeMap

fn clone(&self) -> TypeMap

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for TypeMap

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

Formats the value using the given formatter.

impl Default for TypeMap

fn default() -> TypeMap

Returns the “default value” for a type.