chainNullableK<L, R, R2>  function 
 
        
TaskEither<L, R2>  Function(TaskEither<L, R>  taskEither)
chainNullableK<L, R, R2>( 
    
- R2? f(- R right
 
- L onNone(- R right
 
Chainable variant of fromNullableK.
Implementation
TaskEither<L, R2> Function(
  TaskEither<L, R> taskEither,
) chainNullableK<L, R, R2>(
  R2? Function(R right) f,
  L Function(R right) onNone,
) =>
    flatMap(fromNullableK(f, onNone));