Function listensM

listensM<M>(
monad: TypeClass.Monad.Monad<M>,
): <W, B>(
mapper: (w: W) => B,
) => <A>(writer: WriterT<W, M, A>) => WriterT<W, M, [A, B]>
Creates an action that executes writer, maps its output and adds to that value of the computation.
Type Parameters
- M
Parameters
- monad: TypeClass.Monad.Monad<M>
  The instance of Monad for M.
Returns <W, B>(
mapper: (w: W) => B,
) => <A>(writer: WriterT<W, M, A>) => WriterT<W, M, [A, B]>
The computation that adds its output to the value.
- Defined in src/writer.ts:106