alt Hacker NewsWhen you want to abstract on structs "having" a given field (by name) of a given type, I think. Although that may come in Go at some point.
When you want to abstract on structs "having" a given field (by name) of a given type, I think. Although that may come in Go at some point.
I'm not a Go expert but that's exactly what interfaces are, aren't they? In Go a struct automatically implements an interface if it contains all the required fields (duck-typing).