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extern crate futures; extern crate tokio_core; use futures::Future; pub mod non_cached; pub use non_cached::*; pub mod cached; #[cfg(test)] mod tests; #[derive(Clone, PartialEq, Debug)] pub enum LoadError<E> { SenderDropped, UnequalKeyValueSize { key_count: usize, value_count: usize, }, BatchFn(E), } pub type BatchFuture<V, E> = Box<Future<Item = Vec<V>, Error = E>>; pub trait BatchFn<K, V> { type Error; fn load(&self, keys: &[K]) -> BatchFuture<V, Self::Error>; fn max_batch_size(&self) -> usize { 200 } }