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faq: go does not have duck typing

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R=golang-dev, 0xjnml, iant, adonovan, aram
CC=golang-dev
https://golang.org/cl/6500092
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Rob Pike 2012-09-07 14:01:02 -07:00
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doc/go_faq.html
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@ -541,7 +541,7 @@ Why doesn't Go have "implements" declarations?</h3>
<p>
A Go type satisfies an interface by implementing the methods of that interface,
nothing more. This property allows interfaces to be defined and used without
having to modify existing code. It enables a kind of "duck typing" that
having to modify existing code. It enables a kind of structural typing that
promotes separation of concerns and improves code re-use, and makes it easier
to build on patterns that emerge as the code develops.
The semantics of interfaces is one of the main reasons for Go's nimble,