foldLeftKV<B> method

B foldLeftKV<B>(
  1. B z,
  2. B f(
    1. B previous,
    2. K k,
    3. V v
    )
)

Implementation

B foldLeftKV<B>(B z, B f(B previous, K k, V v)) =>
    _map.foldLeft(z, (prev, kvs) => kvs.foldLeft(prev, (pprev, kv) => f(pprev, kv.value1, kv.value2)));