On Fri, Nov 2, 2012 at 5:29 PM, Grant Rettke <gret...@acm.org> wrote:
> Internal define is awesome.

I agree in general, but I did recently fix a bug in Typed Racket that
was made possible entirely by use of internal `define`:
https://github.com/plt/racket/commit/0e71f2d5dc#L1R16

The original code had a `let`, which I changed to define, and then
renamed a variable, leading to a bug that would have been caught with
let, but instead produced an infinite loop in some cases with internal
define.

Just a cautionary tale,
Sam
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