[racket] the extra empty string

From: Danny Yoo (dyoo at hashcollision.org)
Date: Fri Apr 19 20:12:27 EDT 2013

On Fri, Apr 19, 2013 at 5:44 PM, Kejia柯嘉 <w.kejia at gmail.com> wrote:
> Hi all,
> In DrRacket, why is there an extra empty string (`[]`between 0s) in
> the list:`'("" "0" "" "0")`. This generates `([]0[][]0)`, instead of
> `([]0[]0)`.

Unfortunately, the question here is ambiguous.  What are you trying to
do?  Can you show us the code you are using to distinguish the empty
string?  What expression are you trying to evaluate such that you get
this list in the first place?

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