[HN Gopher] Private brand checks a.k.a. `#foo in obj`
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       Private brand checks a.k.a. `#foo in obj`
        
       Author : feross
       Score  : 4 points
       Date   : 2021-04-14 17:47 UTC (5 hours ago)
        
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       (page generated 2021-04-14 23:02 UTC)