> On Dec 11, 2016, at 7:20 PM, 'William J. Bowman' via Racket Users > <racket-users@googlegroups.com> wrote: > > Before I file a bug report, I want to make sure something *else* isn't going > on.
It looks like "something else" is going on; according to syntax-property-preserved? it's still marked as preserved in the program below. #lang racket (require racket/syntax) (define stx (syntax-property #'x 'my-prop 5 #t)) (syntax-property-preserved? stx 'my-prop) ;=> #true ;; transfer properties from stx (define stx* (format-id #f "y" #:props stx)) (syntax-property-preserved? stx* 'my-prop) ;=> #true Alex Knauth > In "format-id1.rkt" > (https://gist.github.com/wilbowma/247d15e0e0bed6b239584854e79b5015), I define > and export some identifiers with preserved syntax-properties. The identifier > "id" is created using format-id with #:props to attach a syntax-property. The > identifier "id2" is created using generate-temporary and a syntax-property is > attached manually. I also use these the syntax-property in the same file. If > I run or compile the file, no errors. > > In "format-id2.rkt" > (https://gist.github.com/wilbowma/ed071343c8c651f3a78d690a4ab7a392), I use > the syntax-properties in exactly the same way. However, if I run or compile > the file, I get errors that indicate "id" is missing it's syntax-property. > > -- > William J. Bowman > Northeastern University > College of Computer and Information Science -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to racket-users+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
