[racket] how can I change only one element in the vector?

thank you !
could you tell me how to make new vector that does not refer to a single
vector?


On 20 November 2010 17:09, Neil Van Dyke <neil at neilvandyke.org> wrote:

> "make-vector" is creating a new vector populated with *references* to a
> single #("1" "2" "3") vector, *not* *copies* of the #("1" "2" "3") vector.
>
> Since you've created one #("1" "2" "3") vector, changing it through one
> reference changes all references to it.
>
> (Aside to PLT people: This might be an example of having the default writer
> show sharing could actually be helpful to beginners.)
>
> --
> http://www.neilvandyke.org/
>
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