On Nov 24, 2008, at 9:27 PM, Christopher Vogt wrote:
Interfaces are helpful in combination with type hinting, but for
people who prefer
duck typing, it is reasonable to not explicitly define them.
It sounds like you are saying that if you prefer duck typing then
interfaces have no use.
If this is what you mean, I disagree strongly.
Interfaces are primarily to create a set of methods that define an
interface. Then the compiler can enforce implementation of that
interface in any class that claims to implement the interface. This is
the core utility of interfaces.
Alan
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