[plt-scheme] build-vector undefined in fresh DrScheme interactive window?

From: Robby Findler (robby at cs.uchicago.edu)
Date: Sat Feb 16 23:46:32 EST 2008

I guess you want to be in the Module language and prefix your program with:

#lang scheme

and then it will work consistently everywhere.

There is still some cleanup I have to do on the initial settings for
DrScheme's various languages, but in general it is best to be explicit
about what your code depends on (and the declaration above will do


On Feb 15, 2008 7:19 AM, Yavuz Arkun <yarkun at gmail.com> wrote:
> Hello,
> I noticed that when I open a new tab in DrScheme, and input (for example):
>         (build-vector 10 (lambda (x) (random 100)))
> I get the error:
>         reference to undefined identifier: build-vector
> * Other vector related names that I , such as vector->values or
> vector-fill! seem to work.
> * build-vector works in a fresh mzscheme REPL started from the
> command-line.
> * build-vector starts working normally after running a program from
> the editor window that includes #lang scheme.
> Is this a bug or expected behaviour (that happened to be unexpected to
> a newbie)?
> I am running [3m] on Windows XP atm. Language
> is set to Module in GUI.
> Thanks,
> --Yavuz
> Incidentally, is it better to use the bug report form for these "small
> bug or maybe a 'feature'" type things or mail list?
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