Type Alias KeyErrBatcher 

pub type KeyErrBatcher<K, T, R> = MergeBatcher<Vec<((K, DataflowError), T, R)>, ColumnationChunker<((K, DataflowError), T, R)>, ColMerger<(K, DataflowError), T, R>>;

Aliased Type

pub struct KeyErrBatcher<K, T, R> { /* private fields */ }