PEP 285: Adding a bool type

[Lulu of the Lotus-Eaters]

|Lulu of the Lotus-Eaters wrote:
|major = len([1 for f in fs if f(o)]))

Alex Martelli <aleax at aleax.it> wrote:
|I personally prefer:
|major = len(filter(None, [f(o) for f in fs]))

Why?  I had thought of basically that one.  But the short "if f(o)"
clause seemed to read better than the longer "filter(None..)" construct.
I don't really care one way or another about mixing filter() with
listcomps, but the few extra keystrokes in Alex' don't seem to add to
clarity.

Another option is to squeeze a reduce(operator.add...) into there.  But
practically, len() seems to do everything that needs doing.

Yours, Lulu...

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