Method insert

libs/error-stack/src/fmt/hook.rs:432–442

(
        &mut self,
        hook: impl Fn(&T, &mut HookContext<T>) + Send + Sync + 'static,
    )

impl Hooks {
    pub(crate) fn insert<T: Send + Sync + 'static>(
        &mut self,
        hook: impl Fn(&T, &mut HookContext<T>) + Send + Sync + 'static,
    ) {
        let type_id = TypeId::of::<T>();

        // make sure that previous hooks of the same TypeId are deleted.
        self.inner.retain(|(id, _)| *id != type_id);
        // push new hook onto the stack
        self.inner.push((type_id, into_boxed_hook(hook)));
    }

    pub(crate) fn call(&self, frame: &Frame, context: &mut HookContext<Frame>) -> bool {
        let mut hit = false;