foldLeft<B> method

  1. @override
B foldLeft<B>(
  1. B z,
  2. B f(
    1. B previous,
    2. V v
    )
)
override

Implementation

@override B foldLeft<B>(B z, B f(B previous, V v)) => _tree.foldLeft(z, (p, k, v) => f(p, v));