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How about file-like objects in python? Many file-like interfaces are necessarily stateful, and having the state wrapped in an object that encapsulates the state allows for graceful reuse.

As a bonus, there's no need for inheritance in python due to duck typing.

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> How about file-like objects in python? Many file-like interfaces are necessarily stateful.

Still the state and the functions that operate on them can be separated out. Right? No reason why the state and the functions need to be tied together inside a class.

Are you suggesting everything that currently takes a file-loke object "f" instead takes "fstate" "fread" "fwrite" "fclose" "fflush"...?

I think you could be on to something - that feels like an area with tightly coupled state and functionality. (Sorry for spamming this thread with comments like this), but would you mind emailing some example code, and we can test what happens?

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