johnazariah

public static partial class LinqExtensions
{
    public static Maybe<C> SelectMany<A, B, C>(this Maybe<A> ma, Func<A, Maybe<B>> f, Func<A, B, C> select) => ma.Bind(a => f(a).Map(b => select(a, b)));
}

JonathanLafey

; REQUIREMENTS:
; 1. Install https://www.autohotkey.com/
; 2. Make sure you have all the Tonberry's shop abilities
; 3. Make sure that you have the "Esthar Shop!!!"
; 4. Have the 3 first slots on your inventory empty and no stock of Tent, Cottage or Mega-Potion.
; 5. Review the steps and adjust the Up or Down repetitions if the position of your abilities or the amount of shops differ.

; HOW TO RUN:
; Start from the "Call Shop" ability with the "Esthar Shop!!!" selected
; Run this script with ctrl + j