Author here! I was recently asked for the most impactful piece of code I'd written, and thought I'd write-up my answer. I think it's cool that it: - Took ver

Author here! I was recently asked for the most impactful piece of code I'd written, and thought I'd write-up my answer. I think it's cool that it: - Took very little time to write - Avoided a costly alternative - Is hard to judge in the long run I'd be interested hearing other people's responses to the same question!