foldMapKV<B> method

B foldMapKV<B>(
  1. Monoid<B> mi,
  2. B f(
    1. K k,
    2. V v
    )
)

Implementation

B foldMapKV<B>(Monoid<B> mi, B f(K k, V v)) => _tree.foldLeft(mi.zero(), (p, k, v) => mi.append(p, f(k, v)));