On Sep 25, 2011, at 9:19, pasman pasmański <pasman.p@gmail.com> wrote:
> Hi.
>
> I propose to add "accumulative" flag to a function definition. This
> flag would be set for function f(x) which is accumulative and
> immutable.
>
> This flag allows to use an index on x for clauses containing f(x):
>
> where f(x) = const
> where f(x) > const
>
> and so on.
>
>
We can term it a Schrodinger function :)
I don't understand how it can have mutable state (accumulator) and still be called immutable.
Can explain further and give an example (or better yet, real life) use-case?
David J.