Seriously. Nobody needs a package for "left-pad", which is the most infamous example. But there are a lot of areas where it's not a good use of your time to r

Seriously. Nobody needs a package for "left-pad", which is the most infamous example. But there are a lot of areas where it's not a good use of your time to reinvent the wheel. There's no moral virtue in writing everything yourself. And popular packages have gone through a more bug-finding and bug-fixing than your personal code probably ever will.