Method or_insert_with_any

crates/firewheel-core/src/node.rs:1128–1133

(self, default: impl FnOnce() -> Box<dyn Any + Send>)

    /// Get a mutable reference to a resource in the store.
    ///
    /// Returns `None` if the given resource does not exist.
    pub fn try_get_mut<S: Send + 'static>(&mut self) -> Option<&mut S> {
        self.0
            .get_mut(&TypeId::of::<S>())
            .map(|s| s.downcast_mut().unwrap())
    }
}