Timeline for What is the functional-programming alternative to an interface?
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| Mar 3, 2013 at 16:31 | comment | added | user8709 | +1 for typeclasses - the main difference between a Haskell typeclass and a Java interface is that the typeclass is associated with the type after both are separately declared. You can use an old type through a new "interface" as easily as you can use an old "interface" to access a new type. For data hiding, you hide the implementation of the type in a module. At least according to Bertrand Meyer of Eiffel fame, an OOP class is a kind of module. | |
| Mar 3, 2013 at 4:41 | history | answered | Jimmy Hoffa | CC BY-SA 3.0 |