func (opt *Option) ArgInt32() (int32, error)
Modular phones are seemingly the dream among phone enthusiasts. Who wouldn't want to build their own phone? This phone starts off with a little bit of an iPhone Air vibe to it. It's extremely thin and it has magnets and pogo pins on the back to attach the modules. Right off the bat, I wish the magnets were a bit stronger; the modules were a tad wobbly.，更多细节参见同城约会
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1. What does it do? (one or two sentences)