foldLeft<A, B> method

B foldLeft<A, B>(
  1. F fa,
  2. B z,
  3. B f(
    1. B previous,
    2. A a
    )
)

Implementation

B foldLeft<A, B>(F fa, B z, B f(B previous, A a)) => foldMap<A, Endo<B>>(dualEndoMi(), fa, curry2(flip(f)))(z);