34 let first_type = self.block_type(&default.1)?;
Transitive pinning: Yes, for providers; no, for modules
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Since I've tested dozens of robot vacuums, I'm often asked if these gadgets are "worth it" and I'd say the answer is yes. The biggest thing they offer is convenience: just turn on a robot vacuum and walk away. The machine will take care of the rest. If vacuuming is one of your least favorite chores, or you just want to spend less time keeping your home tidy, semi-autonomous robotic vacuum is a great investment. Many models, albeit more expensive ones, even come with features like a self-empty station to further reduce maintenance.
How to watch: Following its Texas premiere at SXSW, The AI Doc: Or How I Became an Apocaloptimist opens in theaters on March 27. And look for more Mashable coverage out of SXSW.