pub type Col2KeyBatcher<K, T, R> = Col2ValBatcher<K, (), T, R>;Aliased Typeยง
pub struct Col2KeyBatcher<K, T, R> { /* private fields */ }pub type Col2KeyBatcher<K, T, R> = Col2ValBatcher<K, (), T, R>;pub struct Col2KeyBatcher<K, T, R> { /* private fields */ }