Re: [racket-users] Connecting a language and its reader

Ok. Thanks, Philip! —jmj > On Oct 1, 2017, at 5:04 PM, Philip McGrath wrote: > > Using `mylang/semantics` will work as long as you have the `mylang` > collection installed, which is necessary for `#lang` to work anyway. > > In cases when it is sensible to use your

Re: [racket-users] namespace-anchor->namespace and eval

I have no explanation, but I can get a longer version of the error message. If you change the definitions to: #lang racket (new object%) (define-namespace-anchor nsa) (define ns (namespace-anchor->namespace nsa)) And then evaluate at the REPL: > (eval '(new object%) ns) You get this error

Re: [racket-users] Connecting a language and its reader

Using `mylang/semantics` will work as long as you have the `mylang` collection installed, which is necessary for `#lang` to work anyway. In cases when it is sensible to use your new language without the custom reader (e.g. for languages which don't have a custom reader), it is often pleasant to

Re: [racket-users] scribble newbie, myfunctionname undefined

Here's a workflow that is working well for me, now that things have settled. In a Racket window, I have my package foo's scribble source file open: /Users/username/github/foo/scribblings/foo.scrbl I have the Package Manager open, and I keep it open, with the checkbox checked "Updates can

[racket-users] Connecting a language and its reader

Hi all, I’ve been putting together a little language to learn more about how the Racket #lang ecosystem works, and I’m hung up on bundling up the language as a collection. I’m not sure I correctly understand the point where the reader attaches to the macros that specify how to expand the

[racket-users] namespace-anchor->namespace and eval

Hi, Does anyone know a good explanation as to why the following code works depending on whether the apparently-useless line is commented out? #lang racket #;(new object%) ; uncommenting this raises an error (define-namespace-anchor nsa) (define ns (namespace-anchor->namespace nsa)) (eval '(new