Re: R7RS implementation

Hey, I’m the maintainer of the R7RS library. I’d appreciate it if
you filed those issues as bugs on the GitHub repository here:

  https://github.com/lexi-lambda/racket-r7rs

I’m glad you found value in the library, and I’d love to try and
fix some of the problems you mentioned, especially since a number
of them are probably low-hanging fruit.

Alexis

> On Jun 9, 2016, at 3:09 AM, Jean-Michel HUFFLEN <jmhuffle-qPpMuP/[email protected]> wrote:
> 
>   Dear Racket developers and users,
> 
>   I've just tried the non-official implementation of R7RS in Racket. Three points:
> 
>   - if you define a library, you can write something like:
> 
> (define-library (something)
>  (export ...) (import ...)
>  (define another-thing ...)
>  (define year-another ...)
>  ...)
> 
> although R7RS makes precise that definitions must be grouped under "begin":
> 
> (define-library (something)
>  (export ...) (import ...)
>  (begin
>    (define another-thing ...)
>    (define year-another ...)
>    ...))
> 
>   - the second point is already present for "#lang racket". I personally think that it is a pity that the output form of a bytevector is not itself, from my point of view, that complicates debugging. But in R7RS, bytevectors are self-evaluating:
> 
> #u8(48) ==> #u8(48)
> 
> whereas Racket implementation tries to display corresponding characters as far as possible:
> 
> #u8(48) ==> #"0"
> 
> but we already have the function "utf8->string" for such use.
> 
>   - The function "features" results in:
> 
> (r7rs racket exact-closed exact-complex ieee-float full-unicode ratios)
> 
> these informations are ok, but should be include items about operating system and encoding for 16-bit words (little/big-endian). Such information could be successfully used by the "cond-expand" form.
> 
>   Anyway, thanks for this new implementation; I tried it with great pleasure.
> 
> J.-M. Hufflen
> 
> 
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