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use crate::TypeSize;

impl<T: TypeSize> TypeSize for Option<T> {
    fn extra_size(&self) -> usize {
        self.as_ref().map(T::extra_size).unwrap_or_default()
    }

    #[cfg(feature = "details")]
    fn get_collection_item_count(&self) -> Option<usize> {
        self.as_ref().and_then(T::get_collection_item_count)
    }
}