Hi My vote:
> 1. Do you agree to changing #sum and #sum: in the suggested way? > yes but I prefer #sum: return zero too for empty collections > 2. Do you agree to the removal of #detectSum:? > yes > > 3. Do you agree to the removal of #sumNumbers? > yes > > 4. Do you agree that the #max and #min selectors also need to be adapted? > yes
