array of bits?

[Fredrik Lundh]

"MM" wrote:

> What is the best structure/way to create an array of bits (actually true/false flags) of an 
> arbitrary length ranging from about 20 upto about 500. Speed of access more of an issue than 
> compactness.
>
> eg:
> [0] 0
> [1] 0
> [2] 1
> [3] 0
> [4] 1
> ...
> [n] 0
> etc.

if you need a list of flags, use a list of flags:

    [False] * 500

(compared to a bit array, you'll waste a whopping 31 bits per flag, but
unless you plan to use tens of thousands of lists, that shouldn't be much
of a problem)

</F>