Comments on The Racket Blog: PLT Scheme version 4.0 is now available from http:...

you really need r6rs option OR simplify docs.
i...

2009-03-03T18:10:00.000-05:00

you really need r6rs option OR simplify docs.
its counter-intuitive with having r5rs.
nobody would think to put language to module.
even though called r6rs module language.

for documentation recommend something like this ditto-
point zero : demo on r6rs
START DRSCHEME
PUT LANGUAGE TO MODULE
PUT THIS INTO DEFINITION WINDOW
#!r6rs
(library (examples hello)
(export greet)
(import (rnrs))

(define (greet)
(display "hello\n")))
CLICK RUN

1) google for "PLT scheme read from file"
2) us...

2008-12-10T14:12:00.000-05:00

1) google for "PLT scheme read from file"
2) use DrScheme's built-in Help Desk.
3) write to the PLT Mailing list.

hi, i am working with dr scheme 3.72. can someone ...

2008-12-10T12:46:00.000-05:00

hi, i am working with dr scheme 3.72. can someone please tell me how to read and write data to a file in scheme code??? i need this quick as i am stuck in a project because of the same problem.....help!!!!!

2008-06-29T13:54:00.000-04:00

This comment has been removed by the author.

man, this is great. plt definitely rocks!

2008-06-19T17:15:00.000-04:00

man, this is great. plt definitely rocks!

i love it so far, but..

and you've probably...

2008-06-13T18:28:00.000-04:00

i love it so far, but..

and you've probably heard this a lot before...

... when are we going to see a plt sql database abstraction for recent plt-schemes?

Horay! Thanks so much to everyone working on PLT ...

2008-06-12T14:23:00.000-04:00

Horay! Thanks so much to everyone working on PLT Scheme. I'm really enjoying it.

I especially enjoy the amazing support and patience from PLT members.

I like the new plt-scheme.org look as well. I think it's much simpler to navigate.

Again, thank you!

That's an interesting idea. It sounds similar to t...

2008-06-12T13:40:00.000-04:00

That's an interesting idea. It sounds similar to the way that Visual Studio or XCode will create a project based on a template --- except that instead of a pile of project settings, DrScheme would just give you a few starting lines of text.

What about having an R6RS option and just dumping ...

2008-06-12T12:11:00.000-04:00

What about having an R6RS option and just dumping the "#!r6rs (import (rnrs)) ;put code here" directly into the definition pane when its selected. You could even follow it with a modal window explaining that with r6rs, you must precede all files with this syntax blah blah and have a "do not show again" checkbox. Even have a link to the online documentation for more details. I would have figured that out pretty quick :).

RE: "Meanwhile, maybe you can help us improve the ...

2008-06-12T12:00:00.000-04:00

RE: "Meanwhile, maybe you can help us improve the documentation. Using the online docs, I would have guessed that you'd go to http://docs.plt-scheme.org/, follow the "R6RS" link, and then read the first chapter on running R6RS programs. Can you tell us more about the path you took and how it failed you?"

-----------------------------

There was no real method to my madness. I fired up PLT Scheme. I saw no language was selected. I haven't used scheme in a long time, but when I did I would usually just select R5RS or Pretty Big and then just start coding. So, I thought I would go and do the same thing, except now that R6RS is implemented, I might was well switch to that by default. So I went to select a language. I didn't see R6RS. So I read all the descriptions of the others, none of which really means anything to me. The small blurb at the bottom doesn't really say enough to convey the differences. All I knew is that I wanted R6RS. I couldn't find it or make heads or tails of any of it, so I decided to go to plt-scheme website and look at docs. On the docs page I did a search for 'language'. As I was looking for documentation on the differences of the particular languages. I saw the R6RS link but I thought that was a spec, or description of the language itself. I was just interested in how to get the language setup so I could work in PLT Scheme. (ie. I was viewing that as the first step before I would read in detail about R6RS). So failing to find anything there, my next step was to google it, which of course comes up with overwhelming results which I scanned a few and then stopped and asked on this blog. And so here we stand.

Basically I was just looking for a quick canvas to 'go'. I just wanted to try it, I didn't really want to think about it. (never had to before, so maybe thats why)

Code that conforms to R6RS starts with `(import .....

2008-06-12T11:41:00.000-04:00

Code that conforms to R6RS starts with `(import ...)' at a minimum. Your other alternative is to start with `(library ... (export ...) (import ...) ...)'.

To run R6RS programs/libraries in DrScheme, you also have to start with `#!r6rs', even though R6RS itself doesn't require that. Yes, in the Module language. Experience so far has convinced us that it's better to declare a program's language in the source, instead of having a zillion language choices in a GUI dialog; that's why we've avoided adding an "R6RS" option in DrScheme's langauge dialog (and why we've removed several PLT-specific options at the same time).

Meanwhile, maybe you can help us improve the documentation. Using the online docs, I would have guessed that you'd go to http://docs.plt-scheme.org/, follow the "R6RS" link, and then read the first chapter on running R6RS programs. Can you tell us more about the path you took and how it failed you?

Thanks!

All I want is to start up PLT Scheme and be able t...

2008-06-12T11:26:00.000-04:00

All I want is to start up PLT Scheme and be able to write code which conforms to R6RS. Nothing else.

Isn't your question about r6rs rather than module?...

2008-06-12T11:23:00.000-04:00

Isn't your question about r6rs rather than module?

I chose Module, clicked Run and then put #!r6rs at...

2008-06-12T10:59:00.000-04:00

I chose Module, clicked Run and then put #!r6rs at the REPL, didn't like it. So I put #!r6rs in the definitions area (above the repl). Then followed it by a factorial function. It doesn't complain about the #!r6rs anymore, but now it complains about "expected an import declaration". If I choose Pretty Big or R5RS, everything is hunky doory. Why can't there just be a R6RS mode?

I guess I better read up on this 'module' language. I really just wanted to try this out. I must be missing something.

Use the module language and put

#!r6rs
2008-06-12T10:40:00.000-04:00
Use the module language and put

#!r6rs

as the first line in your file.

(Or, with that line, you can use mzscheme from the commandline too, ie "mzscheme file.ss")

I just downloaded PLT Scheme 4.0, and I haven't us...

2008-06-12T10:12:00.000-04:00

I just downloaded PLT Scheme 4.0, and I haven't used Scheme in a long time. Was a long time CL user. How do I set the language to be the complete scheme language with R6RS? I tried the documentation online and asking in IRC, but no dice. Any suggestions?

Comments on The Racket Blog: PLT Scheme version 4.0 is now available from http:...

you really need r6rs option OR simplify docs.i...

1) google for "PLT scheme read from file"2) us...

hi, i am working with dr scheme 3.72. can someone ...

man, this is great. plt definitely rocks!

i love it so far, but..and you've probably...

Horay! Thanks so much to everyone working on PLT ...

That's an interesting idea. It sounds similar to t...

What about having an R6RS option and just dumping ...

RE: "Meanwhile, maybe you can help us improve the ...

Code that conforms to R6RS starts with `(import .....

All I want is to start up PLT Scheme and be able t...

Isn't your question about r6rs rather than module?...

I chose Module, clicked Run and then put #!r6rs at...

Use the module language and put #!r6rs 2008-06-12T10:40:00.000-04:00 Use the module language and put #!r6rsas the first line in your file.(Or, with that line, you can use mzscheme from the commandline too, ie "mzscheme file.ss")

I just downloaded PLT Scheme 4.0, and I haven't us...

you really need r6rs option OR simplify docs.
i...

1) google for "PLT scheme read from file"
2) us...

i love it so far, but..

and you've probably...

Use the module language and put

#!r6rs
2008-06-12T10:40:00.000-04:00
Use the module language and put

#!r6rs

as the first line in your file.

(Or, with that line, you can use mzscheme from the commandline too, ie "mzscheme file.ss")