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use fxhash::FxHashMap;
use std::any::{Any, TypeId};
pub(crate) type AnyObject = Box<dyn Any + Send + Sync>;
#[derive(Debug, Default)]
pub struct TypeMap {
inner: FxHashMap<TypeId, AnyObject>,
}
impl TypeMap {
#[inline]
pub fn insert<T: Send + Sync + 'static>(&mut self, t: T) {
self.inner.insert(TypeId::of::<T>(), Box::new(t));
}
#[inline]
pub fn get<T: 'static>(&self) -> Option<&T> {
self.inner
.get(&TypeId::of::<T>())
.and_then(|boxed| boxed.downcast_ref())
}
#[inline]
pub fn contains<T: 'static>(&self) -> bool {
self.inner.contains_key(&TypeId::of::<T>())
}
#[inline]
pub fn remove<T: 'static>(&mut self) -> Option<T> {
self.inner
.remove(&TypeId::of::<T>())
.and_then(|boxed| boxed.downcast().ok().map(|boxed| *boxed))
}
#[inline]
pub fn clear(&mut self) {
self.inner.clear();
}
#[inline]
pub fn extend(&mut self, other: TypeMap) {
self.inner.extend(other.inner)
}
#[inline]
pub fn iter(&self) -> ::std::collections::hash_map::Iter<'_, TypeId, AnyObject> {
self.inner.iter()
}
}