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A comment on Go generics draft design: building a hashtable. Parent comment

Re:Go generics draft design: building a hashtable by qtplatypus on Friday June 19, 2020 @12:21AM (#23570943)
That is true. However sum types don't allow us to abstract over common code. For example a sum type wouldn't allow us to create a type safe channel "fan in" function that works for all channel types.
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