omap<B> method

Decoder<B> omap<B>(
  1. Option<B> f(
    1. A
    ),
  2. DecodingError onNone()
)

Implementation

Decoder<B> omap<B>(
  Option<B> Function(A) f,
  DecodingError Function() onNone,
) =>
    emap((a) => f(a).toEither(onNone));