Lawrence D'Oliveiro a écrit : > In message <[EMAIL PROTECTED]>, Wojciech > Gryc wrote: > > >>I'm a seasoned Java programmer and quite a big fan of interfaces... >>i.e. The idea that if I make a number of distinct classes that >>implement interface X, I can pass them all as parameters to functions >>or whatnot that require an X object. > > > Why? > > Interfaces are just a euphemism for multiple inheritance,
Java's 'interface' mechanism is mostly a (somewhat weak & dumb IMHO) mean to decouple (sub)typing from implementation. Given a declarative static type system and the restriction to single implementation inheritance, of course. IIRC, vb6 had *no* implementation inheritance at all - you had to do 'implement' it by yourself, using (manual of course) delegation... Now multiple inheritence is clearly not the answer to the OP's question in a dynamically typed language, where subtyping is not bound to inheritance. -- http://mail.python.org/mailman/listinfo/python-list
